Check DNS, Urls + Redirects, Certificates and Content of your Website





1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
zoom.us
A
170.114.52.2
Newark/New Jersey/United States (US) - Cloudflare London, LLC
No Hostname found
yes
2
0

AAAA
2407:30c0:182::aa72:3402
Sydney/New South Wales/Australia (AU) - Cloudflare London, LLC

yes


www.zoom.us
CNAME
zoom.us
yes
1
0

A
170.114.52.2
Newark/New Jersey/United States (US) - Cloudflare London, LLC
No Hostname found
yes



AAAA
2407:30c0:182::aa72:3402
Sydney/New South Wales/Australia (AU) - Cloudflare London, LLC

yes


*.zoom.us
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes



2. DNSSEC

Zone (*)DNSSEC - Informations

Zone: (root)
(root)
1 DS RR published



DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest 4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=



Status: Valid because published



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 20326, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 60955, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 21.06.2023, 00:00:00 +, Signature-Inception: 31.05.2023, 00:00:00 +, KeyTag 20326, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 20326 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest "4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: us
us
1 DS RR in the parent zone found



DS with Algorithm 8, KeyTag 46144, DigestType 2 and Digest DGfmAXEkvxnVC+VlzEhv88/ionj+LlmD/5eypFM4ZBk=



1 RRSIG RR to validate DS RR found



RRSIG-Owner us., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 16.06.2023, 05:00:00 +, Signature-Inception: 03.06.2023, 04:00:00 +, KeyTag 60955, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 60955 used to validate the DS RRSet in the parent zone



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 46144, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 54159, Flags 256



2 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner us., Algorithm: 8, 1 Labels, original TTL: 7200 sec, Signature-expiration: 27.06.2023, 11:04:08 +, Signature-Inception: 28.05.2023, 10:44:42 +, KeyTag 46144, Signer-Name: us



RRSIG-Owner us., Algorithm: 8, 1 Labels, original TTL: 7200 sec, Signature-expiration: 27.06.2023, 11:04:08 +, Signature-Inception: 28.05.2023, 10:44:42 +, KeyTag 54159, Signer-Name: us



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 46144 used to validate the DNSKEY RRSet



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 54159 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 46144, DigestType 2 and Digest "DGfmAXEkvxnVC+VlzEhv88/ionj+LlmD/5eypFM4ZBk=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: zoom.us
zoom.us
0 DS RR in the parent zone found



DS-Query in the parent zone has a valid NSEC3 RR as result with the hashed query name "tgadfc6gah8a278vpj1ikpihlgkmgqi7" between the hashed NSEC3-owner "tg9ke4r1f4nbtoq8rn3odbblu7uogqmf" and the hashed NextOwner "tgam0k4b99bu8884johifc5n8f6u4gqj". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner tg9ke4r1f4nbtoq8rn3odbblu7uogqmf.us., Algorithm: 8, 2 Labels, original TTL: 900 sec, Signature-expiration: 28.06.2023, 05:20:13 +, Signature-Inception: 29.05.2023, 04:51:28 +, KeyTag 54159, Signer-Name: us



DS-Query in the parent zone sends valid NSEC3 RR with the Hash "r0lo40lj4j76eriqpo80i3insgcmv5ns" as Owner. That's the Hash of "us" with the NextHashedOwnerName "r0men30o2a9cjn3tjp2meeou3fvpig9u". So that domain name is the Closest Encloser of "zoom.us". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner r0lo40lj4j76eriqpo80i3insgcmv5ns.us., Algorithm: 8, 2 Labels, original TTL: 900 sec, Signature-expiration: 03.07.2023, 09:56:16 +, Signature-Inception: 03.06.2023, 09:51:46 +, KeyTag 54159, Signer-Name: us



0 DNSKEY RR found




Zone: www.zoom.us
www.zoom.us
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
zoom.us
  ns-1137.awsdns-14.org / 92468db64af24a0b00f4d05394ed89bf -
205.251.196.113
Dublin/Leinster/Ireland (IE) - Amazon.com


 
2600:9000:5304:7100::1
London/England/United Kingdom (GB) - Amazon.com


  ns-1772.awsdns-29.co.uk / 51c57840c67982d5a83679f38db58a3b -
205.251.198.236
Herndon/Virginia/United States (US) - Amazon.com


 
2600:9000:5306:ec00::1
Seattle/Washington/United States (US) - Amazon.com


  ns-387.awsdns-48.com / 32f73a45db5c439b2894ac90c4fd2ce7 -
205.251.193.131
Dublin/Leinster/Ireland (IE) - Amazon.com


 
2600:9000:5301:8300::1
Seattle/Washington/United States (US) - Amazon.com


  ns-888.awsdns-47.net / 29888b3021f73dadbc0a1ae68db8a77d -
205.251.195.120
Sterling/Virginia/United States (US) - Amazon.com


 
2600:9000:5303:7800::1
Seattle/Washington/United States (US) - Amazon.com

us
  a.cctld.us


  b.cctld.us / TLD_Host2.Frankfurt_Node1


  f.cctld.us / TLD_Host1.Frankfurt_Node1


  k.cctld.us / TLD_Host2.Paris_Node1


  w.cctld.us / dns4.frpar1


  x.cctld.us / dns3.nlams1


  y.cctld.us / dns3.nlams1


4. SOA-Entries


Domain:us
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


Domain:us
Zone-Name:us
Primary:a.cctld.us
Mail:admin.tldns.godaddy
Serial:1685793880
Refresh:1800
Retry:300
Expire:604800
TTL:1800
num Entries:6


Domain:zoom.us
Zone-Name:zoom.us
Primary:ns-1137.awsdns-14.org
Mail:awsdns-hostmaster.amazon.com
Serial:1
Refresh:7200
Retry:900
Expire:1209600
TTL:86400
num Entries:8


5. Screenshots

Startaddress: https://zoom.us/, address used: https://zoom.us/, Screenshot created 2023-06-03 14:17:59 +00:0

Mobil (412px x 732px)

1868 milliseconds

Screenshot mobile - https://zoom.us/
Mobil + Landscape (732px x 412px)

997 milliseconds

Screenshot mobile landscape - https://zoom.us/
Screen (1280px x 1680px)

1770 milliseconds

Screenshot Desktop - https://zoom.us/

Mobile- and other Chrome-Checks

widthheight
visual Viewport396732
content Size3967400

Good: No horizontal scrollbar. Content-size width = visual Viewport width.

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://zoom.us/
170.114.52.2
301
https://zoom.us/
Html is minified: 109.84 %
0.140

Date: Sat, 03 Jun 2023 12:17:03 GMT
Content-Type: text/html
Content-Length: 134
Connection: close
Location: https://zoom.us/
CF-Cache-Status: DYNAMIC
Set-Cookie: __cf_bm=wu0Bo1tIzGqH6OIdpNQ8Z6rxu1EekeTZ8_RuZiH.Bvg-1685794623-0-AcCTkJWuuxFS7T/rHH1/h18W8qujBtLzcIq1QVHWzakeBH27FFFIKg5uhLIpMyru+Lmf6P1FT9nbyBUeBnpbp2A=; path=/; expires=Sat, 03-Jun-23 12:47:03 GMT; domain=.zoom.us; HttpOnly; SameSite=None
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ApoadnBwA8xNeXgIQkdDxaaRLFXrgPqRkT7UjAtOsG6W5djV6A67a6%2BaE7%2B4jpPgyTJO3ofAT4bjMRXbDBQsyNHWiClvDexg5hvYoWb4JwW6yNci01E7X74%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 7d17dee99c4f58de-TXL
alt-svc: h3=":443"; ma=86400

• http://zoom.us/
2407:30c0:182::aa72:3402
301
https://zoom.us/
Html is minified: 109.84 %
0.137

Date: Sat, 03 Jun 2023 12:17:03 GMT
Content-Type: text/html
Content-Length: 134
Connection: close
Location: https://zoom.us/
CF-Cache-Status: DYNAMIC
Set-Cookie: __cf_bm=udn1HlNv09AxfyzgeohauTw4.3yCz2ejiu0rY7eonVs-1685794623-0-AXuBIPuJcRHUFNL29eXQxTkaxuKV4shLColEQJxhb48Snmo+L6J0j8hwTnPLYVpQm9T6Yf9qMKF2jmnUJNJ7dXQ=; path=/; expires=Sat, 03-Jun-23 12:47:03 GMT; domain=.zoom.us; HttpOnly; SameSite=None
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Ml6CsccG%2B5ny02MPxoW%2F0hrNQ3%2F6CAGpv25uKi9yLtFAc40xM8VSC98Gx%2FWpdGVebYrkbzg9599oPlzBz8X%2FbQ1TuRvFOZR%2F4XJ2%2F3IoH%2BIWa7cq%2FEJIlXVTXfwLdfGdqwtFdME%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 7d17deeabaeaaca4-TXL
alt-svc: h3=":443"; ma=86400

• http://www.zoom.us/
170.114.52.2
301
https://www.zoom.us/
Html is minified: 109.84 %
0.150

Date: Sat, 03 Jun 2023 12:17:02 GMT
Content-Type: text/html
Content-Length: 134
Connection: close
Location: https://www.zoom.us/
CF-Cache-Status: DYNAMIC
Set-Cookie: __cf_bm=xVamNSvhgfPr9797ShKLP_WF.0QEXDH6mhmiQFoLljs-1685794622-0-ARYpbDoRfTkDvNVvg3FJlAuQfyKllBB+Br4XLpID3LDu/F1pW534qT60BC5DK5RvPCelAmEa/nZSo1AVl8dfjdE=; path=/; expires=Sat, 03-Jun-23 12:47:02 GMT; domain=.zoom.us; HttpOnly; SameSite=None
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=2yH8EiZ2f5jh2HqBFhDYOxvEQKz90bwT4kdgAyjF17KEClnvlN5uUQAS7550MoUVVCeaRpE7u1UX2NkxbE5UWW0xEPh%2FShz3YFacCFdcJIQeI1ImjLx3CHngJgZY"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 7d17dee78895266d-TXL
alt-svc: h3=":443"; ma=86400

• http://www.zoom.us/
2407:30c0:182::aa72:3402
301
https://www.zoom.us/
Html is minified: 109.84 %
0.153

Date: Sat, 03 Jun 2023 12:17:02 GMT
Content-Type: text/html
Content-Length: 134
Connection: close
Location: https://www.zoom.us/
CF-Cache-Status: DYNAMIC
Set-Cookie: __cf_bm=tyPksebcNJSlh6T3PO7Cfp1HbNDnoOE9meOuuFAuhP4-1685794622-0-ATeCq3JkB4lqyqZZcFSVwmg1vnjUi05wfdS9TI0TRvyYZIFpQeRsUP3ptUMat++ClYTfdqVbI8HoY0FAqhe+cbQ=; path=/; expires=Sat, 03-Jun-23 12:47:02 GMT; domain=.zoom.us; HttpOnly; SameSite=None
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=NUlx93vfF2w56XdWK0fTfHf6aUJ1mcOZ66ujBEfp%2FfBf1hxO8jg0RU4TPI0q2wPoGcp2zI8zRoB1R9lLAZuHURr5YgQUOYnyXilPe%2FLiDCU54KXkYHnOS64PIBamtDABSoOOKc6mJwmc"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 7d17dee89b1258f6-TXL
alt-svc: h3=":443"; ma=86400

• https://zoom.us/
170.114.52.2 GZip used - 66279 / 246806 - 73.15 %
200

Html is minified: 115.31 %
2.810
B
Date: Sat, 03 Jun 2023 12:17:12 GMT
Content-Type: text/html;charset=utf-8
Transfer-Encoding: chunked
Connection: close
x-zm-trackingid: v=2.0;clid=aw1;rid=WEB_0b10fa54c9c63fa4cae13c68c604e199
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests; default-src https://*.zoom.us https://zoom.us blob: 'self'; img-src https: about: blob: data: 'self'; style-src https: safari-extension: chrome-extension: 'unsafe-inline' data: 'self'; font-src https: safari-extension: chrome-extension: blob: data: 'self'; connect-src * about: blob: data: 'self'; media-src * rtmp: blob: data: 'self'; frame-src https: ms-appx-web: zoommtg: zoomus: wvjbscheme: data: blob: 'self'; object-src 'none'; base-uri 'none';script-src 'self' 'strict-dynamic' 'nonce-RJickjwuRx6AVNiFZunxLw' 'unsafe-inline' blob: https:;
x-frame-options: SAMEORIGIN
set-cookie: zm_aid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly,zm_haid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly,zm_tmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly,zm_htmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly,_zm_ssid=aw1_c_IcxxIhd7QKOiP2EhxT-kvw; Domain=.zoom.us; Path=/; Secure; HttpOnly,cred=B82B16B4D535324CF3DDDD6E25A1862D; Path=/; Secure; HttpOnly,_zm_mtk_guid=acdbab83491d43c08cab249752e196aa; Domain=.zoom.us; Expires=Mon, 02-Jun-2025 12:17:12 GMT; Path=/; Secure,_zm_csp_script_nonce=RJickjwuRx6AVNiFZunxLw; Domain=.zoom.us; Path=/; Secure; HttpOnly,_zm_currency=EUR; Domain=.zoom.us; Expires=Sun, 04-Jun-2023 12:17:12 GMT; Path=/; Secure,_zm_visitor_guid=acdbab83491d43c08cab249752e196aa; Domain=.zoom.us; Expires=Sun, 02-Jun-2024 12:17:12 GMT; Path=/; Secure,__cf_bm=THNQ3GXtKO1QH3t8M8bBJWSmdOKzWNMWHyvJTmz5nfI-1685794632-0-AXPNQvSm3TLsFAAJHnmA2DYXTb9NwwYTY2gGxQpPcGO34zIoRLd6mXlq6sgseEriWXzTZRBNt1g9ku2El+OZi6M=; path=/; expires=Sat, 03-Jun-23 12:47:12 GMT; domain=.zoom.us; HttpOnly; Secure; SameSite=None
x-zm-zoneid: VA2
content-language: en-US
strict-transport-security: max-age=31536000; includeSubDomains
x-xss-protection: 1; mode=block
referrer-policy: strict-origin-when-cross-origin
Content-Encoding: gzip
Cache-Control: private, max-age=0
CF-Cache-Status: DYNAMIC
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=7TFktTvgQwS1hhVSrENN%2FSiQ%2FZb%2FSwNrZdQR0do274NCFl5eG3SKD1lKddW9oZD3NtfZL%2FfxlpgtVmLUARJ9LxLXIwALxBJlXuMf0t3MpU20TJHP8tf%2BvTY%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 7d17df21ee2b267d-TXL
alt-svc: h3=":443"; ma=86400

• https://zoom.us/
2407:30c0:182::aa72:3402 GZip used - 66280 / 246806 - 73.14 %
200

Html is minified: 115.31 %
2.627
B
Date: Sat, 03 Jun 2023 12:17:16 GMT
Content-Type: text/html;charset=utf-8
Transfer-Encoding: chunked
Connection: close
x-zm-trackingid: v=2.0;clid=aw1;rid=WEB_53c9452c2bf2ae95a78608247fee84c9
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests; default-src https://*.zoom.us https://zoom.us blob: 'self'; img-src https: about: blob: data: 'self'; style-src https: safari-extension: chrome-extension: 'unsafe-inline' data: 'self'; font-src https: safari-extension: chrome-extension: blob: data: 'self'; connect-src * about: blob: data: 'self'; media-src * rtmp: blob: data: 'self'; frame-src https: ms-appx-web: zoommtg: zoomus: wvjbscheme: data: blob: 'self'; object-src 'none'; base-uri 'none';script-src 'self' 'strict-dynamic' 'nonce-0v2daHjGQTaSuKYCYmjGig' 'unsafe-inline' blob: https:;
x-frame-options: SAMEORIGIN
set-cookie: zm_aid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly,zm_haid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly,zm_tmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly,zm_htmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly,_zm_ssid=aw1_c_f1BxDdYYSMaFS9uxQKEaWw; Domain=.zoom.us; Path=/; Secure; HttpOnly,cred=E4A61BB0E6F93C9B90FC8A8F08AC56A6; Path=/; Secure; HttpOnly,_zm_mtk_guid=9f90e37c640146f58e102a72c6eadcf4; Domain=.zoom.us; Expires=Mon, 02-Jun-2025 12:17:16 GMT; Path=/; Secure,_zm_csp_script_nonce=0v2daHjGQTaSuKYCYmjGig; Domain=.zoom.us; Path=/; Secure; HttpOnly,_zm_currency=EUR; Domain=.zoom.us; Expires=Sun, 04-Jun-2023 12:17:16 GMT; Path=/; Secure,_zm_visitor_guid=9f90e37c640146f58e102a72c6eadcf4; Domain=.zoom.us; Expires=Sun, 02-Jun-2024 12:17:16 GMT; Path=/; Secure,__cf_bm=fRdPDXaxOrCUwJXIKhInKTSaJy.BXHrouID802mJlYw-1685794636-0-Acz6VqZNlDP6uNiU6kTPq+956Jh6x/6pfWxIUPd6JtyYBDCOLxPGfk+6F/qly0yQRTHq64zZFu9fyrX27wJ+Xp0=; path=/; expires=Sat, 03-Jun-23 12:47:16 GMT; domain=.zoom.us; HttpOnly; Secure; SameSite=None
x-zm-zoneid: VA
content-language: en-US
strict-transport-security: max-age=31536000; includeSubDomains
x-xss-protection: 1; mode=block
referrer-policy: strict-origin-when-cross-origin
Content-Encoding: gzip
Cache-Control: private, max-age=0
CF-Cache-Status: DYNAMIC
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=QX5ZRtjSzOIzVurfg%2FMqyfcWvPsYZ8IDl0xihkmpFTfU5pCAavL7YUqwVtTK7rkserG8BkM9hJD2DWFu0Dw1j4OVchEA7vWJ4OwDbIuoHijL87J6VuxeYsHPSzjDt9iHzeeZxJc%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 7d17df3a9e6e44f8-TXL
alt-svc: h3=":443"; ma=86400

• https://www.zoom.us/
170.114.52.2 GZip used - 66283 / 246986 - 73.16 %
200

Html is minified: 115.30 %
3.120
B
Date: Sat, 03 Jun 2023 12:17:03 GMT
Content-Type: text/html;charset=utf-8
Transfer-Encoding: chunked
Connection: close
x-zm-trackingid: v=2.0;clid=aw1;rid=WEB_86b5e6bcbf4f1dde7adc4763d2360adb
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests; default-src https://*.zoom.us https://zoom.us blob: 'self'; img-src https: about: blob: data: 'self'; style-src https: safari-extension: chrome-extension: 'unsafe-inline' data: 'self'; font-src https: safari-extension: chrome-extension: blob: data: 'self'; connect-src * about: blob: data: 'self'; media-src * rtmp: blob: data: 'self'; frame-src https: ms-appx-web: zoommtg: zoomus: wvjbscheme: data: blob: 'self'; object-src 'none'; base-uri 'none';script-src 'self' 'strict-dynamic' 'nonce-C5iZ_M-RQT6uGdjjPUD7og' 'unsafe-inline' blob: https:;
x-frame-options: SAMEORIGIN
set-cookie: zm_aid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly,zm_haid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly,zm_tmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly,zm_htmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly,_zm_ssid=aw1_c_ZAc45phrTueVmkPrZUwGiA; Domain=.zoom.us; Path=/; Secure; HttpOnly,cred=34645DFE708D782D7B6F93A7B6407CE8; Path=/; Secure; HttpOnly,_zm_mtk_guid=1ba36a7c1e2d4cdc926a57574eabf0bf; Domain=.zoom.us; Expires=Mon, 02-Jun-2025 12:17:03 GMT; Path=/; Secure,_zm_csp_script_nonce=C5iZ_M-RQT6uGdjjPUD7og; Domain=.zoom.us; Path=/; Secure; HttpOnly,_zm_currency=EUR; Domain=.zoom.us; Expires=Sun, 04-Jun-2023 12:17:03 GMT; Path=/; Secure,_zm_visitor_guid=1ba36a7c1e2d4cdc926a57574eabf0bf; Domain=.zoom.us; Expires=Sun, 02-Jun-2024 12:17:03 GMT; Path=/; Secure,__cf_bm=v2DKK9w8fuyGKXTU.Co2d0YM7bfHI4pcZryeMUb_xi0-1685794623-0-ASuPcQlMXwAt/x4KmmdAhQHLYO/2QNgSMRcrLA6jzcKVmKL3/myzeJHNXFTap3vUcFwaQGcZXnf9yv2ARlvjP6A=; path=/; expires=Sat, 03-Jun-23 12:47:03 GMT; domain=.zoom.us; HttpOnly; Secure; SameSite=None
x-zm-zoneid: VA2
content-language: en-US
strict-transport-security: max-age=31536000; includeSubDomains
x-xss-protection: 1; mode=block
referrer-policy: strict-origin-when-cross-origin
Content-Encoding: gzip
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• https://170.114.52.2/
170.114.52.2
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
403

Html is minified: 110.22 %
2.664
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Forbidden
Certificate error: RemoteCertificateNameMismatch
small visible content (num chars: 24)
403 Forbidden cloudflare
Server: cloudflare
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CF-RAY: 7d17df589e1a4510-TXL

• https://[2407:30c0:0182:0000:0000:0000:aa72:3402]/
2407:30c0:182::aa72:3402
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
403

Html is minified: 110.22 %
2.810
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Forbidden
Certificate error: RemoteCertificateNameMismatch
small visible content (num chars: 24)
403 Forbidden cloudflare
Server: cloudflare
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7. Comments


1. General Results, most used to calculate the result

Aname "zoom.us" is domain, public suffix is ".us", top-level-domain is ".us", top-level-domain-type is "country-code", Country is United States of America (the), tld-manager is "NeuStar, Inc.", num .us-domains preloaded: 611 (complete: 221801)
AGood: All ip addresses are public addresses
AGood: Minimal 2 ip addresses per domain name found: www.zoom.us has 2 different ip addresses (authoritative).
AGood: Minimal 2 ip addresses per domain name found: zoom.us has 2 different ip addresses (authoritative).
AGood: Ipv4 and Ipv6 addresses per domain name found: www.zoom.us has 1 ipv4, 1 ipv6 addresses
AGood: Ipv4 and Ipv6 addresses per domain name found: zoom.us has 1 ipv4, 1 ipv6 addresses
AGood: No asked Authoritative Name Server had a timeout
AGood: destination is https
AGood: every cookie sent via https is marked as secure
HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
AGood: Some urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset):6 complete Content-Type - header (8 urls)
https://170.114.52.2/ 170.114.52.2


Url with incomplete Content-Type - header - missing charset
https://[2407:30c0:0182:0000:0000:0000:aa72:3402]/ 2407:30c0:182::aa72:3402


Url with incomplete Content-Type - header - missing charset
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404

Missing HSTS-Header
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404

Missing HSTS-Header
http://zoom.us/ 170.114.52.2
301
__cf_bm=wu0Bo1tIzGqH6OIdpNQ8Z6rxu1EekeTZ8_RuZiH.Bvg-1685794623-0-AcCTkJWuuxFS7T/rHH1/h18W8qujBtLzcIq1QVHWzakeBH27FFFIKg5uhLIpMyru+Lmf6P1FT9nbyBUeBnpbp2A=; path=/; expires=Sat, 03-Jun-23 12:47:03 GMT; domain=.zoom.us; HttpOnly; SameSite=None
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://zoom.us/ 2407:30c0:182::aa72:3402
301
__cf_bm=udn1HlNv09AxfyzgeohauTw4.3yCz2ejiu0rY7eonVs-1685794623-0-AXuBIPuJcRHUFNL29eXQxTkaxuKV4shLColEQJxhb48Snmo+L6J0j8hwTnPLYVpQm9T6Yf9qMKF2jmnUJNJ7dXQ=; path=/; expires=Sat, 03-Jun-23 12:47:03 GMT; domain=.zoom.us; HttpOnly; SameSite=None
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://www.zoom.us/ 170.114.52.2
301
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Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://www.zoom.us/ 2407:30c0:182::aa72:3402
301
__cf_bm=tyPksebcNJSlh6T3PO7Cfp1HbNDnoOE9meOuuFAuhP4-1685794622-0-ATeCq3JkB4lqyqZZcFSVwmg1vnjUi05wfdS9TI0TRvyYZIFpQeRsUP3ptUMat++ClYTfdqVbI8HoY0FAqhe+cbQ=; path=/; expires=Sat, 03-Jun-23 12:47:02 GMT; domain=.zoom.us; HttpOnly; SameSite=None
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 170.114.52.2
301
__cf_bm=7bi2EbCmURm40ZnYkjPhekJ.6bjO3vUOfFoPtHFxqAs-1685794640-0-AV7fpsWIxw2ThGjZQSTupO8wFqvOF92FoVSmSpXe51YMjJBKxa3DDTcWu+InD+Nhb36YNtoxf4hEwMymTHbr8O8=; path=/; expires=Sat, 03-Jun-23 12:47:20 GMT; domain=.zoom.us; HttpOnly; SameSite=None
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2407:30c0:182::aa72:3402
301
__cf_bm=qkGn8jSFRcznL4uMrd6ye0mqYWXU7uCE07uq3tuSdbM-1685794640-0-AWdzKZaguI3vMvEenpJTvcsFxfBM0bRadNKXsbvX2holv2Y3TQ4LFg5k8ZHs2ba99Ri6Clj7Oy/kkrnsgR+yqe4=; path=/; expires=Sat, 03-Jun-23 12:47:20 GMT; domain=.zoom.us; HttpOnly; SameSite=None
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 170.114.52.2
301
__cf_bm=q7e3eR3vHlRpa27PJMZNAH3OFDXGu8_DjSf63Z02tLY-1685794639-0-AbiAiAaUd7z3Q7FTLHSyTPXT+NIPLxViDECkRSwUZT2aA/WPoIRqquXozfmke1Ev2NJoGG7Fd/h0v12WNbwl6DI=; path=/; expires=Sat, 03-Jun-23 12:47:19 GMT; domain=.zoom.us; HttpOnly; SameSite=None
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2407:30c0:182::aa72:3402
301
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Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
Bhttps://zoom.us/ 170.114.52.2
200
zm_aid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 170.114.52.2
200
zm_haid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 170.114.52.2
200
zm_tmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 170.114.52.2
200
zm_htmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 170.114.52.2
200
_zm_ssid=aw1_c_IcxxIhd7QKOiP2EhxT-kvw; Domain=.zoom.us; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 170.114.52.2
200
cred=B82B16B4D535324CF3DDDD6E25A1862D; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 170.114.52.2
200
_zm_mtk_guid=acdbab83491d43c08cab249752e196aa; Domain=.zoom.us; Expires=Mon, 02-Jun-2025 12:17:12 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 170.114.52.2
200
_zm_csp_script_nonce=RJickjwuRx6AVNiFZunxLw; Domain=.zoom.us; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 170.114.52.2
200
_zm_currency=EUR; Domain=.zoom.us; Expires=Sun, 04-Jun-2023 12:17:12 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 170.114.52.2
200
_zm_visitor_guid=acdbab83491d43c08cab249752e196aa; Domain=.zoom.us; Expires=Sun, 02-Jun-2024 12:17:12 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 2407:30c0:182::aa72:3402
200
zm_aid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 2407:30c0:182::aa72:3402
200
zm_haid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 2407:30c0:182::aa72:3402
200
zm_tmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 2407:30c0:182::aa72:3402
200
zm_htmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 2407:30c0:182::aa72:3402
200
_zm_ssid=aw1_c_f1BxDdYYSMaFS9uxQKEaWw; Domain=.zoom.us; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 2407:30c0:182::aa72:3402
200
cred=E4A61BB0E6F93C9B90FC8A8F08AC56A6; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 2407:30c0:182::aa72:3402
200
_zm_mtk_guid=9f90e37c640146f58e102a72c6eadcf4; Domain=.zoom.us; Expires=Mon, 02-Jun-2025 12:17:16 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 2407:30c0:182::aa72:3402
200
_zm_csp_script_nonce=0v2daHjGQTaSuKYCYmjGig; Domain=.zoom.us; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 2407:30c0:182::aa72:3402
200
_zm_currency=EUR; Domain=.zoom.us; Expires=Sun, 04-Jun-2023 12:17:16 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/ 2407:30c0:182::aa72:3402
200
_zm_visitor_guid=9f90e37c640146f58e102a72c6eadcf4; Domain=.zoom.us; Expires=Sun, 02-Jun-2024 12:17:16 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 170.114.52.2
200
zm_aid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 170.114.52.2
200
zm_haid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 170.114.52.2
200
zm_tmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 170.114.52.2
200
zm_htmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 170.114.52.2
200
_zm_ssid=aw1_c_ZAc45phrTueVmkPrZUwGiA; Domain=.zoom.us; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 170.114.52.2
200
cred=34645DFE708D782D7B6F93A7B6407CE8; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 170.114.52.2
200
_zm_mtk_guid=1ba36a7c1e2d4cdc926a57574eabf0bf; Domain=.zoom.us; Expires=Mon, 02-Jun-2025 12:17:03 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 170.114.52.2
200
_zm_csp_script_nonce=C5iZ_M-RQT6uGdjjPUD7og; Domain=.zoom.us; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 170.114.52.2
200
_zm_currency=EUR; Domain=.zoom.us; Expires=Sun, 04-Jun-2023 12:17:03 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 170.114.52.2
200
_zm_visitor_guid=1ba36a7c1e2d4cdc926a57574eabf0bf; Domain=.zoom.us; Expires=Sun, 02-Jun-2024 12:17:03 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 2407:30c0:182::aa72:3402
200
zm_aid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 2407:30c0:182::aa72:3402
200
zm_haid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 2407:30c0:182::aa72:3402
200
zm_tmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 2407:30c0:182::aa72:3402
200
zm_htmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 2407:30c0:182::aa72:3402
200
_zm_ssid=aw1_c_X8b254SWT8-fxVAZfNsvyg; Domain=.zoom.us; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 2407:30c0:182::aa72:3402
200
cred=0F4C9D4FFC79072A94BFC93FE941FE76; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 2407:30c0:182::aa72:3402
200
_zm_mtk_guid=171239c3400c495f95a89879f7e7f264; Domain=.zoom.us; Expires=Mon, 02-Jun-2025 12:17:08 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 2407:30c0:182::aa72:3402
200
_zm_csp_script_nonce=0akMcgMwQ4eEOMzUMopzqw; Domain=.zoom.us; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 2407:30c0:182::aa72:3402
200
_zm_currency=EUR; Domain=.zoom.us; Expires=Sun, 04-Jun-2023 12:17:08 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/ 2407:30c0:182::aa72:3402
200
_zm_visitor_guid=171239c3400c495f95a89879f7e7f264; Domain=.zoom.us; Expires=Sun, 02-Jun-2024 12:17:08 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
zm_aid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
zm_haid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
zm_tmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
zm_htmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_ssid=aw1_c_qilMI-9VS8-6j8572871Zw; Domain=.zoom.us; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
cred=2EF3997D2C70BCEA19E221295B4A0E47; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_ctaid=LwUf4D-hShiNkCnv1ogOlA.1685794651811.60c6e2e32d66cbd736f8336fd0edc2e6; Domain=.zoom.us; Expires=Sat, 03-Jun-2023 14:17:31 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_chtaid=292; Domain=.zoom.us; Expires=Sat, 03-Jun-2023 14:17:31 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_mtk_guid=e663d2c05abc40b3bbb3476d9086c441; Domain=.zoom.us; Expires=Mon, 02-Jun-2025 12:17:31 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_ctaid=5DMbKGEYSfSpuo90o3BCig.1685794651816.14d44f17502d9d2941f718e1cab17fb3; Domain=.zoom.us; Expires=Sat, 03-Jun-2023 14:17:31 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_chtaid=952; Domain=.zoom.us; Expires=Sat, 03-Jun-2023 14:17:31 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_mtk_guid=0a5f1b7c59a94f698caa4d18e077c229; Domain=.zoom.us; Expires=Mon, 02-Jun-2025 12:17:31 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_csp_script_nonce=4EhWnf1RSRS9SeVlUcwe7w; Domain=.zoom.us; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_currency=EUR; Domain=.zoom.us; Expires=Sun, 04-Jun-2023 12:17:31 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_visitor_guid=0a5f1b7c59a94f698caa4d18e077c229; Domain=.zoom.us; Expires=Sun, 02-Jun-2024 12:17:31 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
zm_aid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
zm_haid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
zm_tmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
zm_htmaid=""; Domain=.zoom.us; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_ssid=aw1_c_zYHdrKIURZ241wp7by3qow; Domain=.zoom.us; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
cred=896B0AC9C16A3966B7F8B0D2C02706FE; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_ctaid=gU7Lioe5TtKVbHUTw0FVYw.1685794648090.89d4e5e1bc4b70f8adb40ac764141778; Domain=.zoom.us; Expires=Sat, 03-Jun-2023 14:17:28 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_chtaid=992; Domain=.zoom.us; Expires=Sat, 03-Jun-2023 14:17:28 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_mtk_guid=c4ba016f9f8c478ab57b8710829630e6; Domain=.zoom.us; Expires=Mon, 02-Jun-2025 12:17:28 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_ctaid=bfeb4JyNQwWFnhjoNf8PUg.1685794648093.ac101934103ac8d68db153ace478da89; Domain=.zoom.us; Expires=Sat, 03-Jun-2023 14:17:28 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_chtaid=434; Domain=.zoom.us; Expires=Sat, 03-Jun-2023 14:17:28 GMT; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_mtk_guid=db5cf03c620f426ba4bf7a7986cbfeec; Domain=.zoom.us; Expires=Mon, 02-Jun-2025 12:17:28 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_csp_script_nonce=VwUXiDRIS8CcxQH1kNX0Zg; Domain=.zoom.us; Path=/; Secure; HttpOnly
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_currency=EUR; Domain=.zoom.us; Expires=Sun, 04-Jun-2023 12:17:28 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
_zm_visitor_guid=db5cf03c620f426ba4bf7a7986cbfeec; Domain=.zoom.us; Expires=Sun, 02-Jun-2024 12:17:28 GMT; Path=/; Secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
CError - no preferred version www or non-www. Select one version as preferred version, then add a redirect https + not-preferred version to https + preferred version. Perhaps in your port 443 vHost something like "RewriteEngine on" + "RewriteCond %{SERVER_NAME} = example.com" + "ReWriteRule ^ https://www.example.com%{REQUEST_URI} [END,QSA,R=permanent]" (three rows, without the "). That should create a redirect https + example.com ⇒ https + www.example.com. Or switch both values to use the non-www version as your preferred version.
CError - more then one version with Http-Status 200. After all redirects, all users (and search engines) should see the same https url: Non-www or www, but not both with http status 200.
Mhttps://170.114.52.2/ 170.114.52.2
403

Misconfiguration - main pages should never send http status 400 - 499
Mhttps://[2407:30c0:0182:0000:0000:0000:aa72:3402]/ 2407:30c0:182::aa72:3402
403

Misconfiguration - main pages should never send http status 400 - 499
Nhttps://170.114.52.2/ 170.114.52.2
403

Error - Certificate isn't trusted, RemoteCertificateNameMismatch
Nhttps://[2407:30c0:0182:0000:0000:0000:aa72:3402]/ 2407:30c0:182::aa72:3402
403

Error - Certificate isn't trusted, RemoteCertificateNameMismatch
AGood: More then one ip address per domain name found, checking all ip addresses the same http status and the same certificate found: Domain www.zoom.us, 2 ip addresses.
AGood: More then one ip address per domain name found, checking all ip addresses the same http status and the same certificate found: Domain zoom.us, 2 ip addresses.
Info: Checking all ip addresses of that domain without sending the hostname only one certificate found. Checking all ip addresses and sending the hostname only one certificate found. Both certificates are the same. So that domain doesn't require Server Name Indication (SNI), it's the primary certificate of that set of ip addresses.: Domain www.zoom.us, 2 ip addresses, 1 different http results.
Info: Checking all ip addresses of that domain without sending the hostname only one certificate found. Checking all ip addresses and sending the hostname only one certificate found. Both certificates are the same. So that domain doesn't require Server Name Indication (SNI), it's the primary certificate of that set of ip addresses.: Domain zoom.us, 2 ip addresses, 1 different http results.
BNo _mta-sts TXT record found (mta-sts: Mail Transfer Agent Strict Transport Security - see RFC 8461). Read the result of server-daten.de (Url-Checks, Comments, Connections and DomainServiceRecords) to see a complete definition. Domainname: _mta-sts.zoom.us

2. Header-Checks (alpha, started 2022-10-23, may be buggy / incomplete)

Azoom.us 170.114.52.2
Content-Security-Policy
Ok: Header without syntax errors found: upgrade-insecure-requests; default-src https://*.zoom.us https://zoom.us blob: 'self'; img-src https: about: blob: data: 'self'; style-src https: safari-extension: chrome-extension: 'unsafe-inline' data: 'self'; font-src https: safari-extension: chrome-extension: blob: data: 'self'; connect-src * about: blob: data: 'self'; media-src * rtmp: blob: data: 'self'; frame-src https: ms-appx-web: zoommtg: zoomus: wvjbscheme: data: blob: 'self'; object-src 'none'; base-uri 'none';script-src 'self' 'strict-dynamic' 'nonce-RJickjwuRx6AVNiFZunxLw' 'unsafe-inline' blob: https:;
F

Bad: default-src with "*" or a scheme found. That allows too much, don't use such a definition.
A

Good: default-src without 'unsafe-inline' or 'unsave-eval'.
E

Bad: No form-action directive found. Use one to limit the form - action - destinations. form-action is a navigation-directive, so default-src isn't used.
E

Bad: No frame-ancestors directive found. Use one to limit the pages allowed to use this page in frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used.
A

Good: base-uri directive found. That limits the URLs which can be used in a document's <base> element. Because it's a document directive, default-src isn't used, so an own directive is required.
A

Good: object-src only with 'none' or 'self' found, no scheme, no other urls. That blocks object / embed / applet - elements.
C

Critical: script-src with 'unsafe-inline' or 'unsafe-eval' and with a nonce found. Ok, better with the nonce, but not really good. Don't use 'unsafe' - declarations.
F

Critical: script-src with * or a scheme found. Never allow wildcard - sources.
A

Good: script-src without data: schema found. Why is this important? The data: schema allows hidden code injection. Insert <script src='data:application/javascript;base64,YWxlcnQoJ1hTUycpOw=='></script> in your page and see what happens.
F

Dangerous: frame-src is defined and allows the data: schema. That allows hidden code injection. Insert <iframe src="data:text/html;charset=utf-8;base64,PCFET0NUWVBFIGh0bWw+PGh0bWw+PGJvZHk+PHA+YmVmb3JlPHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiPmFsZXJ0KCdYU1MnKTwvc2NyaXB0PjxwPmFmdGVyPC9ib2R5PjwvaHRtbD4="></iframe> in your page and see what happens.
A

Ok: Nonce found.
A
report-to
Ok: Header without syntax errors found: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=7TFktTvgQwS1hhVSrENN%2FSiQ%2FZb%2FSwNrZdQR0do274NCFl5eG3SKD1lKddW9oZD3NtfZL%2FfxlpgtVmLUARJ9LxLXIwALxBJlXuMf0t3MpU20TJHP8tf%2BvTY%3D"}],"group":"cf-nel","max_age":604800}
A

Ok: Header without syntax errors found: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=7TFktTvgQwS1hhVSrENN%2FSiQ%2FZb%2FSwNrZdQR0do274NCFl5eG3SKD1lKddW9oZD3NtfZL%2FfxlpgtVmLUARJ9LxLXIwALxBJlXuMf0t3MpU20TJHP8tf%2BvTY%3D"}],"group":"cf-nel","max_age":604800}
A
X-Content-Type-Options
Ok: Header without syntax errors found: nosniff
A
Referrer-Policy
Ok: Header without syntax errors found: strict-origin-when-cross-origin
A
X-Frame-Options
Ok: Header without syntax errors found: SAMEORIGIN
B

Info: Header is deprecated. May not longer work in modern browsers. SAMEORIGIN. Better solution: Use a Content-Security-Policy Header with a frame-ancestors directive. DENY - use 'none', SAMEORIGIN - use 'self'. If you want to allow some domains to frame your page, add these urls.
A
X-Xss-Protection
Ok: Header without syntax errors found: 1; mode=block
B

Info: Header is deprecated. May not longer work in modern browsers. 1; mode=block
Azoom.us 2407:30c0:182::aa72:3402
Content-Security-Policy
Ok: Header without syntax errors found: upgrade-insecure-requests; default-src https://*.zoom.us https://zoom.us blob: 'self'; img-src https: about: blob: data: 'self'; style-src https: safari-extension: chrome-extension: 'unsafe-inline' data: 'self'; font-src https: safari-extension: chrome-extension: blob: data: 'self'; connect-src * about: blob: data: 'self'; media-src * rtmp: blob: data: 'self'; frame-src https: ms-appx-web: zoommtg: zoomus: wvjbscheme: data: blob: 'self'; object-src 'none'; base-uri 'none';script-src 'self' 'strict-dynamic' 'nonce-0v2daHjGQTaSuKYCYmjGig' 'unsafe-inline' blob: https:;
F

Bad: default-src with "*" or a scheme found. That allows too much, don't use such a definition.
A

Good: default-src without 'unsafe-inline' or 'unsave-eval'.
E

Bad: No form-action directive found. Use one to limit the form - action - destinations. form-action is a navigation-directive, so default-src isn't used.
E

Bad: No frame-ancestors directive found. Use one to limit the pages allowed to use this page in frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used.
A

Good: base-uri directive found. That limits the URLs which can be used in a document's <base> element. Because it's a document directive, default-src isn't used, so an own directive is required.
A

Good: object-src only with 'none' or 'self' found, no scheme, no other urls. That blocks object / embed / applet - elements.
C

Critical: script-src with 'unsafe-inline' or 'unsafe-eval' and with a nonce found. Ok, better with the nonce, but not really good. Don't use 'unsafe' - declarations.
F

Critical: script-src with * or a scheme found. Never allow wildcard - sources.
A

Good: script-src without data: schema found. Why is this important? The data: schema allows hidden code injection. Insert <script src='data:application/javascript;base64,YWxlcnQoJ1hTUycpOw=='></script> in your page and see what happens.
F

Dangerous: frame-src is defined and allows the data: schema. That allows hidden code injection. Insert <iframe src="data:text/html;charset=utf-8;base64,PCFET0NUWVBFIGh0bWw+PGh0bWw+PGJvZHk+PHA+YmVmb3JlPHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiPmFsZXJ0KCdYU1MnKTwvc2NyaXB0PjxwPmFmdGVyPC9ib2R5PjwvaHRtbD4="></iframe> in your page and see what happens.
A

Ok: Nonce found.
A
report-to
Ok: Header without syntax errors found: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=QX5ZRtjSzOIzVurfg%2FMqyfcWvPsYZ8IDl0xihkmpFTfU5pCAavL7YUqwVtTK7rkserG8BkM9hJD2DWFu0Dw1j4OVchEA7vWJ4OwDbIuoHijL87J6VuxeYsHPSzjDt9iHzeeZxJc%3D"}],"group":"cf-nel","max_age":604800}
A

Ok: Header without syntax errors found: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=QX5ZRtjSzOIzVurfg%2FMqyfcWvPsYZ8IDl0xihkmpFTfU5pCAavL7YUqwVtTK7rkserG8BkM9hJD2DWFu0Dw1j4OVchEA7vWJ4OwDbIuoHijL87J6VuxeYsHPSzjDt9iHzeeZxJc%3D"}],"group":"cf-nel","max_age":604800}
A
X-Content-Type-Options
Ok: Header without syntax errors found: nosniff
A
Referrer-Policy
Ok: Header without syntax errors found: strict-origin-when-cross-origin
A
X-Frame-Options
Ok: Header without syntax errors found: SAMEORIGIN
B

Info: Header is deprecated. May not longer work in modern browsers. SAMEORIGIN. Better solution: Use a Content-Security-Policy Header with a frame-ancestors directive. DENY - use 'none', SAMEORIGIN - use 'self'. If you want to allow some domains to frame your page, add these urls.
A
X-Xss-Protection
Ok: Header without syntax errors found: 1; mode=block
B

Info: Header is deprecated. May not longer work in modern browsers. 1; mode=block
Awww.zoom.us 170.114.52.2
Content-Security-Policy
Ok: Header without syntax errors found: upgrade-insecure-requests; default-src https://*.zoom.us https://zoom.us blob: 'self'; img-src https: about: blob: data: 'self'; style-src https: safari-extension: chrome-extension: 'unsafe-inline' data: 'self'; font-src https: safari-extension: chrome-extension: blob: data: 'self'; connect-src * about: blob: data: 'self'; media-src * rtmp: blob: data: 'self'; frame-src https: ms-appx-web: zoommtg: zoomus: wvjbscheme: data: blob: 'self'; object-src 'none'; base-uri 'none';script-src 'self' 'strict-dynamic' 'nonce-C5iZ_M-RQT6uGdjjPUD7og' 'unsafe-inline' blob: https:;
F

Bad: default-src with "*" or a scheme found. That allows too much, don't use such a definition.
A

Good: default-src without 'unsafe-inline' or 'unsave-eval'.
E

Bad: No form-action directive found. Use one to limit the form - action - destinations. form-action is a navigation-directive, so default-src isn't used.
E

Bad: No frame-ancestors directive found. Use one to limit the pages allowed to use this page in frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used.
A

Good: base-uri directive found. That limits the URLs which can be used in a document's <base> element. Because it's a document directive, default-src isn't used, so an own directive is required.
A

Good: object-src only with 'none' or 'self' found, no scheme, no other urls. That blocks object / embed / applet - elements.
C

Critical: script-src with 'unsafe-inline' or 'unsafe-eval' and with a nonce found. Ok, better with the nonce, but not really good. Don't use 'unsafe' - declarations.
F

Critical: script-src with * or a scheme found. Never allow wildcard - sources.
A

Good: script-src without data: schema found. Why is this important? The data: schema allows hidden code injection. Insert <script src='data:application/javascript;base64,YWxlcnQoJ1hTUycpOw=='></script> in your page and see what happens.
F

Dangerous: frame-src is defined and allows the data: schema. That allows hidden code injection. Insert <iframe src="data:text/html;charset=utf-8;base64,PCFET0NUWVBFIGh0bWw+PGh0bWw+PGJvZHk+PHA+YmVmb3JlPHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiPmFsZXJ0KCdYU1MnKTwvc2NyaXB0PjxwPmFmdGVyPC9ib2R5PjwvaHRtbD4="></iframe> in your page and see what happens.
A

Ok: Nonce found.
A
report-to
Ok: Header without syntax errors found: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=BYgCJAqDbqn14T5VeHZXWooBYKD7FadBoAgbAsLjVmVKttYZGyA%2FgDtmdBzU6zkcJyBkglNsYgOH6toq719U7swqrn7JpMKTovKZX%2BGlPteJ0pAhI%2Bg3Arws5l9t"}],"group":"cf-nel","max_age":604800}
A

Ok: Header without syntax errors found: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=BYgCJAqDbqn14T5VeHZXWooBYKD7FadBoAgbAsLjVmVKttYZGyA%2FgDtmdBzU6zkcJyBkglNsYgOH6toq719U7swqrn7JpMKTovKZX%2BGlPteJ0pAhI%2Bg3Arws5l9t"}],"group":"cf-nel","max_age":604800}
A
X-Content-Type-Options
Ok: Header without syntax errors found: nosniff
A
Referrer-Policy
Ok: Header without syntax errors found: strict-origin-when-cross-origin
A
X-Frame-Options
Ok: Header without syntax errors found: SAMEORIGIN
B

Info: Header is deprecated. May not longer work in modern browsers. SAMEORIGIN. Better solution: Use a Content-Security-Policy Header with a frame-ancestors directive. DENY - use 'none', SAMEORIGIN - use 'self'. If you want to allow some domains to frame your page, add these urls.
A
X-Xss-Protection
Ok: Header without syntax errors found: 1; mode=block
B

Info: Header is deprecated. May not longer work in modern browsers. 1; mode=block
Awww.zoom.us 2407:30c0:182::aa72:3402
Content-Security-Policy
Ok: Header without syntax errors found: upgrade-insecure-requests; default-src https://*.zoom.us https://zoom.us blob: 'self'; img-src https: about: blob: data: 'self'; style-src https: safari-extension: chrome-extension: 'unsafe-inline' data: 'self'; font-src https: safari-extension: chrome-extension: blob: data: 'self'; connect-src * about: blob: data: 'self'; media-src * rtmp: blob: data: 'self'; frame-src https: ms-appx-web: zoommtg: zoomus: wvjbscheme: data: blob: 'self'; object-src 'none'; base-uri 'none';script-src 'self' 'strict-dynamic' 'nonce-0akMcgMwQ4eEOMzUMopzqw' 'unsafe-inline' blob: https:;
F

Bad: default-src with "*" or a scheme found. That allows too much, don't use such a definition.
A

Good: default-src without 'unsafe-inline' or 'unsave-eval'.
E

Bad: No form-action directive found. Use one to limit the form - action - destinations. form-action is a navigation-directive, so default-src isn't used.
E

Bad: No frame-ancestors directive found. Use one to limit the pages allowed to use this page in frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used.
A

Good: base-uri directive found. That limits the URLs which can be used in a document's <base> element. Because it's a document directive, default-src isn't used, so an own directive is required.
A

Good: object-src only with 'none' or 'self' found, no scheme, no other urls. That blocks object / embed / applet - elements.
C

Critical: script-src with 'unsafe-inline' or 'unsafe-eval' and with a nonce found. Ok, better with the nonce, but not really good. Don't use 'unsafe' - declarations.
F

Critical: script-src with * or a scheme found. Never allow wildcard - sources.
A

Good: script-src without data: schema found. Why is this important? The data: schema allows hidden code injection. Insert <script src='data:application/javascript;base64,YWxlcnQoJ1hTUycpOw=='></script> in your page and see what happens.
F

Dangerous: frame-src is defined and allows the data: schema. That allows hidden code injection. Insert <iframe src="data:text/html;charset=utf-8;base64,PCFET0NUWVBFIGh0bWw+PGh0bWw+PGJvZHk+PHA+YmVmb3JlPHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiPmFsZXJ0KCdYU1MnKTwvc2NyaXB0PjxwPmFmdGVyPC9ib2R5PjwvaHRtbD4="></iframe> in your page and see what happens.
A

Ok: Nonce found.
A
report-to
Ok: Header without syntax errors found: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ej02Pd%2BpglIy1SpdZL93FJK3ACNPxohR4V8y05tCtoxsXvc7BEB0q0VptZyrUyiEGa%2FNJNI0eBdgstTOz7CQiRmRUeSnk1Pgc2%2FErBjDXh5Of0PvAClDVFrHdsJXwYRPZfGFQkfA7lg5"}],"group":"cf-nel","max_age":604800}
A

Ok: Header without syntax errors found: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ej02Pd%2BpglIy1SpdZL93FJK3ACNPxohR4V8y05tCtoxsXvc7BEB0q0VptZyrUyiEGa%2FNJNI0eBdgstTOz7CQiRmRUeSnk1Pgc2%2FErBjDXh5Of0PvAClDVFrHdsJXwYRPZfGFQkfA7lg5"}],"group":"cf-nel","max_age":604800}
A
X-Content-Type-Options
Ok: Header without syntax errors found: nosniff
A
Referrer-Policy
Ok: Header without syntax errors found: strict-origin-when-cross-origin
A
X-Frame-Options
Ok: Header without syntax errors found: SAMEORIGIN
B

Info: Header is deprecated. May not longer work in modern browsers. SAMEORIGIN. Better solution: Use a Content-Security-Policy Header with a frame-ancestors directive. DENY - use 'none', SAMEORIGIN - use 'self'. If you want to allow some domains to frame your page, add these urls.
A
X-Xss-Protection
Ok: Header without syntax errors found: 1; mode=block
B

Info: Header is deprecated. May not longer work in modern browsers. 1; mode=block
Fzoom.us 170.114.52.2
Permissions-Policy
Critical: Missing Header:
Fzoom.us 2407:30c0:182::aa72:3402
Permissions-Policy
Critical: Missing Header:
Fwww.zoom.us 170.114.52.2
Permissions-Policy
Critical: Missing Header:
Fwww.zoom.us 2407:30c0:182::aa72:3402
Permissions-Policy
Critical: Missing Header:
A

Good: Different combinations of domain names and ip addresses checked, Content-Security-Policy - Header with a nonce declaration sent: Every combination domain + ip with an own, unique nonce.

3. DNS- and NameServer - Checks

AInfo:: 16 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 4 Name Servers.
AInfo:: 16 Queries complete, 16 with IPv6, 0 with IPv4.
AGood: All DNS Queries done via IPv6.
Ok (4 - 8):: An average of 4.0 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 4 different Name Servers found: ns-1137.awsdns-14.org, ns-1772.awsdns-29.co.uk, ns-387.awsdns-48.com, ns-888.awsdns-47.net, 4 Name Servers included in Delegation: ns-1137.awsdns-14.org, ns-1772.awsdns-29.co.uk, ns-387.awsdns-48.com, ns-888.awsdns-47.net, 4 Name Servers included in 1 Zone definitions: ns-1137.awsdns-14.org, ns-1772.awsdns-29.co.uk, ns-387.awsdns-48.com, ns-888.awsdns-47.net, 1 Name Servers listed in SOA.Primary: ns-1137.awsdns-14.org.
AGood: Only one SOA.Primary Name Server found.: ns-1137.awsdns-14.org.
AGood: SOA.Primary Name Server included in the delegation set.: ns-1137.awsdns-14.org.
AGood: Consistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Ordered list of name servers: ns-1137.awsdns-14.org, ns-1772.awsdns-29.co.uk, ns-387.awsdns-48.com, ns-888.awsdns-47.net
AGood: All Name Server Domain Names have a Public Suffix.
AGood: All Name Server Domain Names ending with a Public Suffix have minimal one IPv4- or IPv6 address.
AGood: All Name Server ip addresses are public.
AGood: Minimal 2 different name servers (public suffix and public ip address) found: 4 different Name Servers found
AGood: All name servers have ipv4- and ipv6-addresses.: 4 different Name Servers found
AGood: Name servers with different Top Level Domains / Public Suffix List entries found: 4 Name Servers, 4 Top Level Domains: org, net, com, co.uk
AGood: Name Servers with different domain names found.: 4 different Domains found
AGood: Name servers with different Country locations found: 4 Name Servers, 3 Countries: GB, IE, US
AInfo: Ipv4-Subnet-list: 4 Name Servers, 1 different subnets (first Byte): 205., 1 different subnets (first two Bytes): 205.251., 4 different subnets (first three Bytes): 205.251.193., 205.251.195., 205.251.196., 205.251.198.
AGood: Name Server IPv4-addresses from different subnet found:
AInfo: IPv6-Subnet-list: 4 Name Servers with IPv6, 1 different subnets (first block): 2600:, 1 different subnets (first two blocks): 2600:9000:, 4 different subnets (first three blocks): 2600:9000:5301:, 2600:9000:5303:, 2600:9000:5304:, 2600:9000:5306:, 4 different subnets (first four blocks): 2600:9000:5301:8300:, 2600:9000:5303:7800:, 2600:9000:5304:7100:, 2600:9000:5306:ec00:
AGood: Name Server IPv6 addresses from different subnets found.
AGood: Nameserver supports TCP connections: 8 good Nameserver
AGood: Nameserver supports Echo Capitalization: 8 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 8 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 8 good Nameserver
Nameserver doesn't pass all EDNS-Checks: a.cctld.us: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
AGood: All SOA have the same Serial Number
AGood: CAA entries found, creating certificate is limited: amazon.com is allowed to create certificates
AGood: CAA entries found, creating certificate is limited: digicert.com is allowed to create certificates
AGood: CAA entries found, creating certificate is limited: godaddy.com is allowed to create certificates
AGood: CAA entries found, creating certificate is limited: letsencrypt.org is allowed to create certificates
AGood: CAA entries found, creating certificate is limited: pki.goog is allowed to create certificates
AGood: CAA entries found, creating certificate is limited: sectigo.com is allowed to create certificates

4. Content- and Performance-critical Checks

AGood: All checks /.well-known/acme-challenge/random-filename without redirects answer with the expected http status 404 - Not Found. Creating a Letsencrypt certificate via http-01 challenge should work. If it doesn't work: Check your vHost configuration (apachectl -S, httpd -S, nginx -T). Every combination of port and ServerName / ServerAlias (Apache) or Server (Nginx) must be unique. Merge duplicated entries in one vHost. If you use an IIS, extensionless files must be allowed in the /.well-known/acme-challenge subdirectory. Create a web.config in that directory. Content: <configuration><system.webServer><staticContent><mimeMap fileExtension="." mimeType="text/plain" /></staticContent></system.webServer></configuration>. If you have a redirect http ⇒ https, that's ok, Letsencrypt follows such redirects to port 80 / 443 (same or other server). There must be a certificate. But the certificate may be expired, self signed or with a not matching domain name. Checking the validation file Letsencrypt ignores such certificate errors. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
AGood: Every https result with status 200 supports GZip.
https://zoom.us/ 170.114.52.2
200

Warning: Https result with status 200 found, Html-Content is too big. Should be max. 110 %. May contain inline CSS / JavaScript, too much comments or white space. Re-used ressources - create files with a long Cache-Control max-age header. Remove comments and white space.
https://zoom.us/ 2407:30c0:182::aa72:3402
200

Warning: Https result with status 200 found, Html-Content is too big. Should be max. 110 %. May contain inline CSS / JavaScript, too much comments or white space. Re-used ressources - create files with a long Cache-Control max-age header. Remove comments and white space.
https://www.zoom.us/ 170.114.52.2
200

Warning: Https result with status 200 found, Html-Content is too big. Should be max. 110 %. May contain inline CSS / JavaScript, too much comments or white space. Re-used ressources - create files with a long Cache-Control max-age header. Remove comments and white space.
https://www.zoom.us/ 2407:30c0:182::aa72:3402
200

Warning: Https result with status 200 found, Html-Content is too big. Should be max. 110 %. May contain inline CSS / JavaScript, too much comments or white space. Re-used ressources - create files with a long Cache-Control max-age header. Remove comments and white space.
AGood: Every https connection via port 443 supports the http/2 protocol via ALPN.
https://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404

Critical: Some script Elements (type text/javascript) with a src-Attribute don't have a defer / async - Attribute. Loading and executing these JavaScripts blocks parsing and rendering the Html-Output. That's bad if your site is large or the connection is slow / mobile usage. Use "async" if the js file has only functions (so nothing is executed after parsing the file) or is independend. Use "defer" if the order of the scripts is important. All "defer" scripts are executed before the DOMContentLoaded event is fired. Check https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script to see some details.: 13 script elements without defer/async.
https://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404

Critical: Some script Elements (type text/javascript) with a src-Attribute don't have a defer / async - Attribute. Loading and executing these JavaScripts blocks parsing and rendering the Html-Output. That's bad if your site is large or the connection is slow / mobile usage. Use "async" if the js file has only functions (so nothing is executed after parsing the file) or is independend. Use "defer" if the order of the scripts is important. All "defer" scripts are executed before the DOMContentLoaded event is fired. Check https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script to see some details.: 13 script elements without defer/async.
Warning: CSS / JavaScript found without GZip support. Send these ressources with GZip. 8 external CSS / JavaScript files without GZip found - 34 with GZip, 42 complete
AGood: All images with internal compression not sent via GZip. Images (.png, .jpg) are already compressed, so an additional GZip isn't helpful. 6 images (type image/png, image/jpg) found without additional GZip. Not required because these images are already compressed
Warning: CSS / JavaScript files with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 0 external CSS / JavaScript files without Cache-Control-Header, 34 with Cache-Control, but no max-age, 8 with Cache-Control max-age too short (minimum 7 days), 0 with Cache-Control long enough, 42 complete.
Warning: Images with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 0 image files without Cache-Control-Header, 130 with Cache-Control, but no max-age, 0 with Cache-Control max-age too short (minimum 7 days), 0 with Cache-Control long enough, 130 complete.
AGood: All checked attribute values are enclosed in quotation marks (" or ').
AGood: Some img-elements have a valid alt-attribute.: 130 img-elements found, 110 img-elements with correct alt-attributes (defined, not an empty value).
Wrong: img-elements without alt-attribute or empty alt-attribute found. The alt-attribute ("alternative") is required and should describe the img. So Screenreader and search engines are able to use these informations.: 20 img-elements without alt-attribute, 0 img-elements with empty alt-attribute found.
AGood: Domainname is not on the "Specially Designated Nationals And Blocked Persons List" (SDN). That's an US-list of individuals and companies owned or controlled by, or acting for or on behalf of, targeted countries. It also lists individuals, groups, and entities, such as terrorists and narcotics traffickers designated under programs that are not country-specific. Collectively, such individuals and companies are called "Specially Designated Nationals" or "SDNs." Their assets are blocked and U.S. persons are generally prohibited from dealing with them. So if a domain name is on that list, it's impossible to create a Letsencrypt certificate with that domain name. Check the list manual - https://www.treasury.gov/resource-center/sanctions/sdn-list/pages/default.aspx
https://zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
2.613 seconds
Warning: 404 needs more then one second
https://www.zoom.us/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
2.944 seconds
Warning: 404 needs more then one second
ADuration: 99040 milliseconds, 99.040 seconds


8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
zoom.us
170.114.52.2
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
zoom.us
170.114.52.2
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - incomplete
1CN=*.zoom.us, O="Zoom Video Communications, Inc.", L=San Jose, C=US, ST=California

2CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US


zoom.us
2407:30c0:182::aa72:3402
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

zoom.us
2407:30c0:182::aa72:3402
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - incomplete
1CN=*.zoom.us, O="Zoom Video Communications, Inc.", L=San Jose, C=US, ST=California

2CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US


www.zoom.us
170.114.52.2
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

www.zoom.us
170.114.52.2
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - incomplete
1CN=*.zoom.us, O="Zoom Video Communications, Inc.", L=San Jose, C=US, ST=California

2CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US


www.zoom.us
2407:30c0:182::aa72:3402
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

www.zoom.us
2407:30c0:182::aa72:3402
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - incomplete
1CN=*.zoom.us, O="Zoom Video Communications, Inc.", L=San Jose, C=US, ST=California

2CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US


zoom.us
zoom.us
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

zoom.us
zoom.us
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - incomplete
1CN=*.zoom.us, O="Zoom Video Communications, Inc.", L=San Jose, C=US, ST=California

2CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US


www.zoom.us
www.zoom.us
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

www.zoom.us
www.zoom.us
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - incomplete
1CN=*.zoom.us, O="Zoom Video Communications, Inc.", L=San Jose, C=US, ST=California

2CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US


170.114.52.2
170.114.52.2
443
name does not match
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

170.114.52.2
170.114.52.2
443
name does not match
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - incomplete
1CN=*.zoom.us, O="Zoom Video Communications, Inc.", L=San Jose, C=US, ST=California

2CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US


[2407:30c0:0182:0000:0000:0000:aa72:3402]
2407:30c0:182::aa72:3402
443
name does not match
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

[2407:30c0:0182:0000:0000:0000:aa72:3402]
2407:30c0:182::aa72:3402
443
name does not match
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - incomplete
1CN=*.zoom.us, O="Zoom Video Communications, Inc.", L=San Jose, C=US, ST=California

2CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US


9. Certificates

1.
1.
CN=*.zoom.us, O="Zoom Video Communications, Inc.", L=San Jose, S=California, C=US
15.04.2023
02.05.2024
expires in 333 days
*.zoom.us, zoom.us - 2 entries
1.
1.
CN=*.zoom.us, O="Zoom Video Communications, Inc.", L=San Jose, S=California, C=US
15.04.2023

02.05.2024
expires in 333 days
*.zoom.us, zoom.us - 2 entries

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:021C2FABA6011A89EFA67788C647E470
Thumbprint:149F5D9E0849BA0E12A48F90BD0FD60C2A6DD153
SHA256 / Certificate:qcp9NOxrLCaleI16LpY6N5KdtUFe5XMxVNuiAvyGygA=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):bad10c07b99881f91d7b710ad711650ee7539133aaab1f7e9d77ee685875646c
SHA256 hex / Subject Public Key Information (SPKI):bad10c07b99881f91d7b710ad711650ee7539133aaab1f7e9d77ee685875646c (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:http://ocsp.digicert.com
OCSP - must staple:no
Certificate Transparency:yes
Enhanced Key Usage:Serverauthentifizierung (1.3.6.1.5.5.7.3.1), Clientauthentifizierung (1.3.6.1.5.5.7.3.2)


2.
CN=*.zoom.us, O="Zoom Video Communications, Inc.", L=San Jose, S=California, C=US
15.04.2023
02.05.2024
expires in 333 days
*.zoom.us, zoom.us - 2 entries

2.
CN=*.zoom.us, O="Zoom Video Communications, Inc.", L=San Jose, S=California, C=US
15.04.2023

02.05.2024
expires in 333 days
*.zoom.us, zoom.us - 2 entries

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:021C2FABA6011A89EFA67788C647E470
Thumbprint:149F5D9E0849BA0E12A48F90BD0FD60C2A6DD153
SHA256 / Certificate:qcp9NOxrLCaleI16LpY6N5KdtUFe5XMxVNuiAvyGygA=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):bad10c07b99881f91d7b710ad711650ee7539133aaab1f7e9d77ee685875646c
SHA256 hex / Subject Public Key Information (SPKI):bad10c07b99881f91d7b710ad711650ee7539133aaab1f7e9d77ee685875646c (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:http://ocsp.digicert.com
OCSP - must staple:no
Certificate Transparency:yes
Enhanced Key Usage:Serverauthentifizierung (1.3.6.1.5.5.7.3.1), Clientauthentifizierung (1.3.6.1.5.5.7.3.2)


3.
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
14.04.2021
14.04.2031
expires in 2871 days


3.
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
14.04.2021

14.04.2031
expires in 2871 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:06D8D904D5584346F68A2FA754227EC4
Thumbprint:1C58A3A8518E8759BF075B76B750D4F2DF264FCD
SHA256 / Certificate:UidMV85N7jtJ23p/9wjAQPdxiYs76IclqG+0QwGC/hQ=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):450799901e36ce751fb0320815621189811c2a5ee71f0345c160ab9cc3096d57
SHA256 hex / Subject Public Key Information (SPKI):450799901e36ce751fb0320815621189811c2a5ee71f0345c160ab9cc3096d57
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:http://ocsp.digicert.com
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:Serverauthentifizierung (1.3.6.1.5.5.7.3.1), Clientauthentifizierung (1.3.6.1.5.5.7.3.2)


4.
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
14.04.2021
14.04.2031
expires in 2871 days


4.
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
14.04.2021

14.04.2031
expires in 2871 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:06D8D904D5584346F68A2FA754227EC4
Thumbprint:1C58A3A8518E8759BF075B76B750D4F2DF264FCD
SHA256 / Certificate:UidMV85N7jtJ23p/9wjAQPdxiYs76IclqG+0QwGC/hQ=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):450799901e36ce751fb0320815621189811c2a5ee71f0345c160ab9cc3096d57
SHA256 hex / Subject Public Key Information (SPKI):450799901e36ce751fb0320815621189811c2a5ee71f0345c160ab9cc3096d57
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:http://ocsp.digicert.com
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:Serverauthentifizierung (1.3.6.1.5.5.7.3.1), Clientauthentifizierung (1.3.6.1.5.5.7.3.2)


5.
CN=DigiCert Global Root CA, OU=www.digicert.com, O=DigiCert Inc, C=US
10.11.2006
10.11.2031
expires in 3081 days


5.
CN=DigiCert Global Root CA, OU=www.digicert.com, O=DigiCert Inc, C=US
10.11.2006

10.11.2031
expires in 3081 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA-1 with RSA Encryption
Serial Number:083BE056904246B1A1756AC95991C74A
Thumbprint:A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436
SHA256 / Certificate:Q0ig6URMeMsmXgWNXolEtNhPlmK9Jtslf4k0pEPHAWE=
SHA256 hex / Cert (DANE * 0 1):4348a0e9444c78cb265e058d5e8944b4d84f9662bd26db257f8934a443c70161
SHA256 hex / PublicKey (DANE * 1 1):aff988906dde12955d9bebbf928fdcc31cce328d5b9384f21c8941ca26e20391
SHA256 hex / Subject Public Key Information (SPKI):aff988906dde12955d9bebbf928fdcc31cce328d5b9384f21c8941ca26e20391
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:



6.
CN=DigiCert Global Root CA, OU=www.digicert.com, O=DigiCert Inc, C=US
07.12.2016
10.05.2025
expires in 706 days


6.
CN=DigiCert Global Root CA, OU=www.digicert.com, O=DigiCert Inc, C=US
07.12.2016

10.05.2025
expires in 706 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0F5BC3A176CB789E2020C7893C8167B4
Thumbprint:FB20FA8A6A93B375F054814F9E00273EA51A6138
SHA256 / Certificate:bay7iUUTex2tQhGwQ2774G8SrONpBJc7Ra4ldAgj02k=
SHA256 hex / Cert (DANE * 0 1):6dacbb8945137b1dad4211b0436efbe06f12ace36904973b45ae25740823d369
SHA256 hex / PublicKey (DANE * 1 1):aff988906dde12955d9bebbf928fdcc31cce328d5b9384f21c8941ca26e20391
SHA256 hex / Subject Public Key Information (SPKI):aff988906dde12955d9bebbf928fdcc31cce328d5b9384f21c8941ca26e20391
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:http://ocsp.digicert.com
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:


7.
CN=Baltimore CyberTrust Root, OU=CyberTrust, O=Baltimore, C=IE
12.05.2000
13.05.2025
expires in 709 days


7.
CN=Baltimore CyberTrust Root, OU=CyberTrust, O=Baltimore, C=IE
12.05.2000

13.05.2025
expires in 709 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA-1 with RSA Encryption
Serial Number:020000B9
Thumbprint:D4DE20D05E66FC53FE1A50882C78DB2852CAE474
SHA256 / Certificate:Fq9XqfZ2sKsSYJWqXrre8iqzERnWRKyVzUuT2/Pyaus=
SHA256 hex / Cert (DANE * 0 1):16af57a9f676b0ab126095aa5ebadef22ab31119d644ac95cd4b93dbf3f26aeb
SHA256 hex / PublicKey (DANE * 1 1):63d9af9b47b1064d49a10e7b7fd566dbc8caa399459bfc2829c571ad8c6ef34a
SHA256 hex / Subject Public Key Information (SPKI):63d9af9b47b1064d49a10e7b7fd566dbc8caa399459bfc2829c571ad8c6ef34a
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:



10. Last Certificates - Certificate Transparency Log Check

1. Source CertSpotter - active certificates (one check per day)

Issuerlast 7 daysactivenum Certs
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
0
5
10
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
0
3
8
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
0
0
4
//certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2
0
0
2
CN=DigiCert TLS Hybrid ECC SHA384 2020 CA1, O=DigiCert Inc, C=US
0
0
1

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
4651459218
precert
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
2023-01-07 00:00:00
2024-01-09 23:59:59
*.zoom.us, zoom.us - 2 entries


4651448985
precert
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
2023-01-07 00:00:00
2024-01-09 23:59:59
*.zoom.us, zoom.us - 2 entries


4498951103
precert
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
2022-12-02 00:00:00
2024-01-02 23:59:59
zoom.us - 1 entries


4495563321
precert
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
2022-12-01 00:00:00
2023-11-30 23:59:59
*.zoom.us, zoom.us - 2 entries


4481890836
precert
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
2022-11-28 00:00:00
2023-12-29 23:59:59
zoom.us - 1 entries


4435580751
precert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2022-11-18 00:00:00
2023-12-17 23:59:59
*.zoom.com.cn, *.zoom.us, zoom.com.cn, zoom.us - 4 entries


4023224015
precert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2022-08-04 00:00:00
2023-09-02 23:59:59
*.zoom.com.cn, *.zoom.us, zoom.com.cn, zoom.us - 4 entries


3751835011
leaf cert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2022-05-21 00:00:00
2023-06-19 23:59:59
*.zoom.us, *.zoomus.cn, zoom.us, zoomus.cn - 4 entries


3676002564
precert
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
2022-04-29 00:00:00
2023-05-02 23:59:59
*.zoom.us, zoom.us - 2 entries


3676113440
leaf cert
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
2022-04-29 00:00:00
2023-05-02 23:59:59
*.zoom.us, zoom.us - 2 entries


3519503173
precert
CN=DigiCert TLS Hybrid ECC SHA384 2020 CA1, O=DigiCert Inc, C=US
2022-03-15 00:00:00
2023-03-15 23:59:59
*.zoom.us, zoom.us - 2 entries


3518115430
precert
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
2022-03-15 00:00:00
2023-03-08 12:00:00
*.zoom.us, zoom.us - 2 entries


3303323197
precert
//certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2
2022-01-10 07:16:07
2023-02-11 07:16:07
*.zoom.us, zoom.us - 2 entries


3286983270
precert
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
2022-01-05 00:00:00
2023-01-04 23:59:59
zoom.us - 1 entries


3282216295
precert
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
2022-01-03 00:00:00
2023-01-04 23:59:59
zoom.us - 1 entries


3250660121
precert
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
2021-12-23 00:00:00
2022-12-23 23:59:59
zoom.us - 1 entries


3232266776
leaf cert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2021-12-18 00:00:00
2023-01-16 23:59:59
*.zoom.com.cn, *.zoom.us, zoom.com.cn, zoom.us - 4 entries


2875565022
leaf cert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2021-09-03 00:00:00
2022-10-02 23:59:59
*.zoom.com.cn, *.zoom.us, zoom.com.cn, zoom.us - 4 entries


2648019081
leaf cert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2021-06-20 00:00:00
2022-07-19 23:59:59
*.zoom.us, *.zoomus.cn, zoom.us, zoomus.cn - 4 entries


2380689960
precert
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
2021-03-18 00:00:00
2022-03-23 23:59:59
*.zoom.us, zoom.us - 2 entries


2380567004
precert
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
2021-03-18 00:00:00
2022-03-23 23:59:59
*.zoom.us, zoom.us - 2 entries


2223288906
precert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2021-01-17 00:00:00
2022-02-15 23:59:59
*.zoom.com.cn, *.zoom.us, zoom.com.cn, zoom.us - 4 entries


2223315208
leaf cert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2021-01-17 00:00:00
2022-02-15 23:59:59
*.zoom.com.cn, *.zoom.us, zoom.com.cn, zoom.us - 4 entries


2201901150
precert
//certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2
2021-01-09 04:32:08
2022-02-10 04:32:08
*.zoom.us, zoom.us - 2 entries


1646516644
leaf cert
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
2020-05-24 00:00:00
2022-06-01 12:00:00
*.zoom.us, zoom.us - 2 entries



2. Source crt.sh - old and new certificates, sometimes very slow - only certificates with "not after" > of the last months are listed

Issuerlast 7 daysactivenum Certs
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
0
2
7
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
0
0
4
//certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2
0
0
2
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
0
0
2
CN=DigiCert TLS Hybrid ECC SHA384 2020 CA1, O=DigiCert Inc, C=US
0
0
1

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
7263694021
precert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2022-08-03 22:00:00
2023-09-02 21:59:59
*.zoom.com.cn, *.zoom.us, zoom.com.cn, zoom.us
4 entries


6785516132
leaf cert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2022-05-20 22:00:00
2023-06-19 21:59:59
*.zoom.us, *.zoomus.cn, zoom.us, zoomus.cn
4 entries


6641868295
leaf cert
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
2022-04-28 22:00:00
2023-05-02 21:59:59
*.zoom.us, zoom.us
2 entries


6628659734
precert
CN=DigiCert TLS RSA SHA256 2020 CA1, O=DigiCert Inc, C=US
2022-04-28 22:00:00
2023-05-02 21:59:59
*.zoom.us, zoom.us
2 entries


6346539919
precert
CN=DigiCert TLS Hybrid ECC SHA384 2020 CA1, O=DigiCert Inc, C=US
2022-03-14 23:00:00
2023-03-15 22:59:59
*.zoom.us, zoom.us
2 entries


6343982212
precert
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
2022-03-14 23:00:00
2023-03-08 11:00:00
*.zoom.us, zoom.us
2 entries


5949464843
precert
//certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2
2022-01-10 06:16:07
2023-02-11 06:16:07
*.zoom.us, zoom.us
2 entries


5933506946
leaf cert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2021-12-17 23:00:00
2023-01-16 22:59:59
*.zoom.com.cn, *.zoom.us, zoom.com.cn, zoom.us
4 entries


5193083175
leaf cert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2021-09-02 22:00:00
2022-10-02 21:59:59
*.zoom.com.cn, *.zoom.us, zoom.com.cn, zoom.us
4 entries


5505332899
leaf cert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2021-06-19 22:00:00
2022-07-19 21:59:59
*.zoom.us, *.zoomus.cn, zoom.us, zoomus.cn
4 entries


4235827047
precert
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
2021-03-17 23:00:00
2022-03-23 22:59:59
*.zoom.us, zoom.us
2 entries


4235591162
precert
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
2021-03-17 23:00:00
2022-03-23 22:59:59
*.zoom.us, zoom.us
2 entries


3976961407
leaf cert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2021-01-16 23:00:00
2022-02-15 22:59:59
*.zoom.com.cn, *.zoom.us, zoom.com.cn, zoom.us
4 entries


3940011007
precert
CN=Amazon, OU=Server CA 1B, O=Amazon, C=US
2021-01-16 23:00:00
2022-02-15 22:59:59
*.zoom.com.cn, *.zoom.us, zoom.com.cn, zoom.us
4 entries


3899861377
precert
//certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2
2021-01-09 03:32:08
2022-02-10 03:32:08
*.zoom.us, zoom.us
2 entries


2857341092
leaf cert
CN=DigiCert SHA2 Secure Server CA, O=DigiCert Inc, C=US
2020-05-23 22:00:00
2022-06-01 10:00:00
*.zoom.us, zoom.us
2 entries



11. Html-Content - Entries

No Html-Content entries found. Only checked if https + status 200/401/403/404


12. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: ns-1137.awsdns-14.org, ns-1772.awsdns-29.co.uk, ns-387.awsdns-48.com, ns-888.awsdns-47.net

QNr.DomainTypeNS used
1
org
NS
h.root-servers.net (2001:500:1::53)

Answer: a0.org.afilias-nst.info, a2.org.afilias-nst.info, b0.org.afilias-nst.org, b2.org.afilias-nst.org, c0.org.afilias-nst.info, d0.org.afilias-nst.org
2
ns-1137.awsdns-14.org
NS
a0.org.afilias-nst.info (2001:500:e::1)

Answer: g-ns-1041.awsdns-14.org, g-ns-142.awsdns-14.org, g-ns-1614.awsdns-14.org, g-ns-720.awsdns-14.org

Answer: g-ns-1041.awsdns-14.org
205.251.196.17, 2600:9000:5304:1100::1

Answer: g-ns-142.awsdns-14.org
205.251.192.142, 2600:9000:5300:8e00::1

Answer: g-ns-1614.awsdns-14.org
205.251.198.78, 2600:9000:5306:4e00::1

Answer: g-ns-720.awsdns-14.org
205.251.194.208, 2600:9000:5302:d000::1
3
uk
NS
l.root-servers.net (2001:500:9f::42)

Answer: dns1.nic.uk, dns2.nic.uk, dns3.nic.uk, dns4.nic.uk, nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk
4
ns-1772.awsdns-29.co.uk
NS
dns1.nic.uk (2a01:618:400::1)

Answer: g-ns-1504.awsdns-29.co.uk, g-ns-1825.awsdns-29.co.uk, g-ns-349.awsdns-29.co.uk, g-ns-925.awsdns-29.co.uk

Answer: g-ns-1504.awsdns-29.co.uk
205.251.197.224, 2600:9000:5305:e000::1

Answer: g-ns-1825.awsdns-29.co.uk
205.251.199.33, 2600:9000:5307:2100::1

Answer: g-ns-349.awsdns-29.co.uk
205.251.193.93, 2600:9000:5301:5d00::1

Answer: g-ns-925.awsdns-29.co.uk
205.251.195.157, 2600:9000:5303:9d00::1
5
com
NS
c.root-servers.net (2001:500:2::c)

Answer: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net
6
ns-387.awsdns-48.com
NS
e.gtld-servers.net (2001:502:1ca1::30)

Answer: g-ns-1200.awsdns-48.com, g-ns-1776.awsdns-48.com, g-ns-49.awsdns-48.com, g-ns-624.awsdns-48.com

Answer: g-ns-1200.awsdns-48.com
205.251.196.176, 2600:9000:5304:b000::1

Answer: g-ns-1776.awsdns-48.com
205.251.198.240, 2600:9000:5306:f000::1

Answer: g-ns-49.awsdns-48.com
205.251.192.49, 2600:9000:5300:3100::1

Answer: g-ns-624.awsdns-48.com
205.251.194.112, 2600:9000:5302:7000::1
7
net
NS
k.root-servers.net (2001:7fd::1)

Answer: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net
8
ns-888.awsdns-47.net
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: g-ns-1391.awsdns-47.net, g-ns-1967.awsdns-47.net, g-ns-496.awsdns-47.net, g-ns-817.awsdns-47.net

Answer: g-ns-1391.awsdns-47.net
205.251.197.111, 2600:9000:5305:6f00::1

Answer: g-ns-1967.awsdns-47.net
205.251.199.175, 2600:9000:5307:af00::1

Answer: g-ns-496.awsdns-47.net
205.251.193.240, 2600:9000:5301:f000::1

Answer: g-ns-817.awsdns-47.net
205.251.195.49, 2600:9000:5303:3100::1
9
ns-1137.awsdns-14.org: 205.251.196.113
A
g-ns-1041.awsdns-14.org (2600:9000:5304:1100::1)
10
ns-1137.awsdns-14.org: 2600:9000:5304:7100::1
AAAA
g-ns-1041.awsdns-14.org (2600:9000:5304:1100::1)
11
ns-1772.awsdns-29.co.uk: 205.251.198.236
A
g-ns-1504.awsdns-29.co.uk (2600:9000:5305:e000::1)
12
ns-1772.awsdns-29.co.uk: 2600:9000:5306:ec00::1
AAAA
g-ns-1504.awsdns-29.co.uk (2600:9000:5305:e000::1)
13
ns-387.awsdns-48.com: 205.251.193.131
A
g-ns-1200.awsdns-48.com (2600:9000:5304:b000::1)
14
ns-387.awsdns-48.com: 2600:9000:5301:8300::1
AAAA
g-ns-1200.awsdns-48.com (2600:9000:5304:b000::1)
15
ns-888.awsdns-47.net: 205.251.195.120
A
g-ns-1391.awsdns-47.net (2600:9000:5305:6f00::1)
16
ns-888.awsdns-47.net: 2600:9000:5303:7800::1
AAAA
g-ns-1391.awsdns-47.net (2600:9000:5305:6f00::1)


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
www.zoom.us
5
issue
amazon.com
1
0

5
issue
digicert.com
1
0

5
issue
godaddy.com
1
0

5
issue
letsencrypt.org
1
0

5
iodef
mailto:security@zoom.us
1
0

5
issue
pki.goog
1
0

5
issue
sectigo.com
1
0
zoom.us
5
issue
amazon.com
1
0

5
issue
digicert.com
1
0

5
issue
godaddy.com
1
0

5
issue
letsencrypt.org
1
0

5
iodef
mailto:security@zoom.us
1
0

5
issue
pki.goog
1
0

5
issue
sectigo.com
1
0
us
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
zoom.us

ok
1
0
www.zoom.us

ok
1
0
_acme-challenge.zoom.us
TQp-h6wrgpiEfcA3vbazu4EcavxtYW27osWuUIlI7is
looks good, correct length, correct characters
1
0
_acme-challenge.www.zoom.us

Name Error - The domain name does not exist
1
0
_acme-challenge.zoom.us.zoom.us

Name Error - The domain name does not exist
1
0
_acme-challenge.www.zoom.us.zoom.us

Name Error - The domain name does not exist
1
0
_acme-challenge.www.zoom.us.www.zoom.us

Name Error - The domain name does not exist
1
0


15. DomainService - Entries (SSHFP Check is new - 2022-09-24, may be incomplete, alpha, some results are required)

TypeDomainPrefValueDNS-errornum AnswersStatusDescription
MX

zoom.us
10
mxa-00569201.gslb.pphosted.com
0
2
ok


A


205.220.178.27
0
1
ok


CNAME



0
0
ok

MX

zoom.us
10
mxb-00569201.gslb.pphosted.com
0
2
ok


A


205.220.178.27
0
1
ok


CNAME



0
0
ok

_dmarc
TXT
_dmarc.zoom.us

v=DMARC1; p=reject; ri=3600; rua=mailto:sesbounce@zoom.us,mailto:dmarc_rua@emaildefense.proofpoint.com
0
1
ok



16. Cipher Suites

DomainIPPortCipher (OpenSsl / IANA)



Skipped, CDN used or too many ip addresses






17. Portchecks

No open Ports <> 80 / 443 found, so no additional Ports checked.



Permalink: https://check-your-website.server-daten.de/?i=ba7cb132-e5a7-4d8e-b4db-626f22b62649


Last Result: https://check-your-website.server-daten.de/?q=zoom.us - 2023-06-03 14:16:29


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