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

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Shortcuts: 1. IP-Addresses | 2. DNSSEC | 3. Name Servers | 4. SOA-Entries | 5. Screenshots | 6. Url-Checks | 7. Comments | 8. Connections | 9. Certificates | 10. CT-Logs | 11. Html-Content | 12. Html-Parsing | 13. NameServer-IPAddresses | 14. CAA | 15. TXT | 16. DomainServiceEntries | 17. Cipher Suites | 18. Portchecks |

 

A

 

Top config

 

Checked:
30.10.2023 13:06:09

 

Older results

 

A - 29.10.2023 18:11:44
A - 29.10.2023 17:51:02
A - 28.08.2023 20:09:02
A - 25.08.2023 21:56:41
A - 25.08.2023 21:43:39

 

1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
davidoff.immo
A
76.76.21.21
Walnut/California/United States (US) - Amazon.com, Inc.
No Hostname found
yes
1
0

AAAA

yes


www.davidoff.immo
CNAME
cname.vercel-dns.com
yes
1
0

A
76.76.21.142
Walnut/California/United States (US) - Amazon.com, Inc.
No Hostname found
yes



A
76.76.21.164
Walnut/California/United States (US) - Amazon.com, Inc.
No Hostname found
yes


www.davidoff.immo
A
76.76.21.22
Walnut/California/United States (US) - Amazon.com, Inc.
No Hostname found
no



A
76.76.21.241
Walnut/California/United States (US) - Amazon.com, Inc.
No Hostname found
no


*.davidoff.immo
A
76.76.21.21
yes



AAAA

yes



CNAME

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 46780, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 11.11.2023, 00:00:00 +, Signature-Inception: 21.10.2023, 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: immo

immo
1 DS RR in the parent zone found






DS with Algorithm 8, KeyTag 32956, DigestType 2 and Digest h7MuCqwi/dW/Iz+spe39Ewe5FO/s7zd41mRMqoA39wc=






1 RRSIG RR to validate DS RR found






RRSIG-Owner immo., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 12.11.2023, 05:00:00 +, Signature-Inception: 30.10.2023, 04:00:00 +, KeyTag 46780, Signer-Name: (root)






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 46780 used to validate the DS RRSet in the parent zone






3 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 5139, Flags 256






Public Key with Algorithm 8, KeyTag 32956, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 55638, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner immo., Algorithm: 8, 1 Labels, original TTL: 3600 sec, Signature-expiration: 15.11.2023, 23:38:11 +, Signature-Inception: 25.10.2023, 22:38:11 +, KeyTag 32956, Signer-Name: immo






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 32956 used to validate the DNSKEY RRSet






• Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 32956, DigestType 2 and Digest "h7MuCqwi/dW/Iz+spe39Ewe5FO/s7zd41mRMqoA39wc=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: davidoff.immo

davidoff.immo
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 "knh8fng7mrdp3vof6ntguu1kbhv0vk0g" between the hashed NSEC3-owner "kneudsnq12j3463qnk9qs1pg4u1jtogs" and the hashed NextOwner "knoi3u8s41a5jg5iivnc4qqi5nu1seav". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner kneudsnq12j3463qnk9qs1pg4u1jtogs.immo., Algorithm: 8, 2 Labels, original TTL: 3600 sec, Signature-expiration: 15.11.2023, 23:38:11 +, Signature-Inception: 25.10.2023, 22:38:11 +, KeyTag 5139, Signer-Name: immo






DS-Query in the parent zone sends valid NSEC3 RR with the Hash "lsf5c88r1pgcktpo23mvjole65kebcpo" as Owner. That's the Hash of "immo" with the NextHashedOwnerName "lsgu1qs5q8lpp7slvaa90s31aq5vcviv". So that domain name is the Closest Encloser of "davidoff.immo". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner lsf5c88r1pgcktpo23mvjole65kebcpo.immo., Algorithm: 8, 2 Labels, original TTL: 3600 sec, Signature-expiration: 20.11.2023, 12:00:16 +, Signature-Inception: 30.10.2023, 11:00:16 +, KeyTag 5139, Signer-Name: immo






0 DNSKEY RR found









Zone: www.davidoff.immo

www.davidoff.immo
0 DS RR in the parent zone found



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 46780, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 11.11.2023, 00:00:00 +, Signature-Inception: 21.10.2023, 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: com

com
1 DS RR in the parent zone found






DS with Algorithm 8, KeyTag 30909, DigestType 2 and Digest 4tPJFvbe6scylOgmj7WIUESoM/xUWViPSpGEz8QaV2Y=






1 RRSIG RR to validate DS RR found






RRSIG-Owner com., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 12.11.2023, 05:00:00 +, Signature-Inception: 30.10.2023, 04:00:00 +, KeyTag 46780, Signer-Name: (root)






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 46780 used to validate the DS RRSet in the parent zone






2 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 30909, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 63246, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner com., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 11.11.2023, 17:24:21 +, Signature-Inception: 27.10.2023, 17:19:21 +, KeyTag 30909, Signer-Name: com






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 30909 used to validate the DNSKEY RRSet






• Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 30909, DigestType 2 and Digest "4tPJFvbe6scylOgmj7WIUESoM/xUWViPSpGEz8QaV2Y=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: vercel-dns.com

vercel-dns.com
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 "28va8878blnais50886l6k4gtn773kj8" between the hashed NSEC3-owner "28va2048jqp6onjnn2poa40jhq7pc714" and the hashed NextOwner "28va9e8pdmi3o4ogsmbpajip68500t28". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner 28va2048jqp6onjnn2poa40jhq7pc714.com., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 03.11.2023, 06:11:01 +, Signature-Inception: 27.10.2023, 05:01:01 +, KeyTag 63246, Signer-Name: com






DS-Query in the parent zone sends valid NSEC3 RR with the Hash "ck0pojmg874ljref7efn8430qvit8bsm" as Owner. That's the Hash of "com" with the NextHashedOwnerName "ck0q2d6ni4i7eqh8na30ns61o48ul8g5". So that domain name is the Closest Encloser of "vercel-dns.com". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner ck0pojmg874ljref7efn8430qvit8bsm.com., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 06.11.2023, 04:25:31 +, Signature-Inception: 30.10.2023, 03:15:31 +, KeyTag 63246, Signer-Name: com






0 DNSKEY RR found









Zone: cname.vercel-dns.com

cname.vercel-dns.com
0 DS RR in the parent zone found






0 DNSKEY RR found







 

3. Name Servers

DomainNameserverNS-IP
davidoff.immo
•  root-dns.netcup.net
46.38.225.225
Karlsruhe/Baden-Wurttemberg/Germany (DE) - netcup GmbH		•

• 
2a03:4000:0:1::e1e1
Ettlingen/Baden-Wurttemberg/Germany (DE) - netcup GmbH		•

•  second-dns.netcup.net
37.221.199.199
Karlsruhe/Baden-Wurttemberg/Germany (DE) - netcup GmbH		•

• 
2a03:4000:2:24b::c7c7
Ettlingen/Baden-Wurttemberg/Germany (DE) - netcup GmbH		•

•  third-dns.netcup.net
188.68.63.68
Karlsruhe/Baden-Wurttemberg/Germany (DE) - netcup GmbH		•

• 
2a03:4001:0:106::3f44
Karlsruhe/Baden-Wurttemberg/Germany (DE) - netcup GmbH		•
immo
•  v0n0.nic.immo / app10.nrt1.hosts.meta.redstone.afilias-nst.info-1615580861
•

•  v0n1.nic.immo / app25.ams2.hosts.meta.redstone.afilias-nst.info-1615580861
•

•  v0n2.nic.immo / app28.nrt1.hosts.meta.redstone.afilias-nst.info-1615580861
•

•  v0n3.nic.immo / app29.ams2.hosts.meta.redstone.afilias-nst.info-1615580861
•

•  v2n0.nic.immo / FRA5
•

•  v2n1.nic.immo / FRA3
•
cname.vercel-dns.com
•  dns1.p07.nsone.net / ns1dns-fra03-912-5314
198.51.44.7
Toronto/Ohio/United States (US) - NSONE Inc

• 
2620:4d:4000:6259:7:7:0:1
Toronto/Ohio/United States (US) - NSONE Inc
vercel-dns.com
•  dns1.p07.nsone.net


•  ns1.vercel-dns.com / ns1dns-fra03-912-5312-9004
198.51.44.13
Toronto/Ohio/United States (US) - NSONE Inc		•

• 
2620:4d:4000:6259:7:13:0:1
Toronto/Ohio/United States (US) - NSONE Inc		•

•  ns2.vercel-dns.com / ns1dns-fra03-341-5304-9004
198.51.45.13
New York/United States (US) - NSONE Inc		•

• 
2a00:edc0:6259:7:13::2
Amsterdam/North Holland/Netherlands (NL) - NS1		•
com
•  a.gtld-servers.net / nnn1-par6
•

•  b.gtld-servers.net / nnn1-eltxl1
•

•  c.gtld-servers.net / nnn1-par6
•

•  d.gtld-servers.net / nnn1-par6
•

•  e.gtld-servers.net / nnn1-defra-5
•

•  f.gtld-servers.net / nnn1-defra-4
•

•  g.gtld-servers.net / nnn1-defra-4
•

•  h.gtld-servers.net / nnn1-defra-4
•

•  i.gtld-servers.net / nnn1-defra-4
•

•  j.gtld-servers.net / nnn1-frmrs-2
•

•  k.gtld-servers.net / nnn1-ein2
•

•  l.gtld-servers.net / nnn1-ein3
•

•  m.gtld-servers.net / nnn1-ein1
•

 

4. SOA-Entries


Domain:immo
Zone-Name:immo
Primary:v0n0.nic.immo
Mail:hostmaster.donuts.email
Serial:1698666997
Refresh:7200
Retry:900
Expire:1209600
TTL:3600
num Entries:6


Domain:davidoff.immo
Zone-Name:davidoff.immo
Primary:root-dns.netcup.net
Mail:dnsadmin.netcup.net
Serial:2023081613
Refresh:28800
Retry:7200
Expire:1209600
TTL:86400
num Entries:6


Domain:com
Zone-Name:com
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1698667574
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:2


Domain:com
Zone-Name:com
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1698667589
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:11


Domain:vercel-dns.com
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


Domain:vercel-dns.com
Zone-Name:vercel-dns.com
Primary:dns1.p07.nsone.net
Mail:hostmaster.nsone.net
Serial:1657560353
Refresh:43200
Retry:7200
Expire:1209600
TTL:3600
num Entries:4


Domain:cname.vercel-dns.com
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:2


5. Screenshots

Startaddress: https://www.davidoff.immo/, address used: https://www.davidoff.immo/, Screenshot created 2023-10-30 13:10:48 +00:0

 

Mobil (412px x 732px)

 

442 milliseconds

 

Screenshot mobile - https://www.davidoff.immo/
Mobil + Landscape (732px x 412px)

 

372 milliseconds

 

Screenshot mobile landscape - https://www.davidoff.immo/
Screen (1280px x 1680px)

 

1198 milliseconds

 

Screenshot Desktop - https://www.davidoff.immo/

 

Mobile- and other Chrome-Checks


widthheight
visual Viewport396732
content Size3966561

 

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

 

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://davidoff.immo/
76.76.21.21
308
https://davidoff.immo/
Html is minified: 100.00 %
0.046
A
Content-Type: text/plain
Location: https://davidoff.immo/
Refresh: 0;url=https://davidoff.immo/
server: Vercel

• http://www.davidoff.immo/
76.76.21.22
308
https://www.davidoff.immo/
Html is minified: 100.00 %
0.053
A
Content-Type: text/plain
Location: https://www.davidoff.immo/
Refresh: 0;url=https://www.davidoff.immo/
server: Vercel

• http://www.davidoff.immo/
76.76.21.142
308
https://www.davidoff.immo/
Html is minified: 100.00 %
0.037
A
Content-Type: text/plain
Location: https://www.davidoff.immo/
Refresh: 0;url=https://www.davidoff.immo/
server: Vercel

• http://www.davidoff.immo/
76.76.21.164
308
https://www.davidoff.immo/
Html is minified: 100.00 %
0.034
A
Content-Type: text/plain
Location: https://www.davidoff.immo/
Refresh: 0;url=https://www.davidoff.immo/
server: Vercel

• http://www.davidoff.immo/
76.76.21.241
308
https://www.davidoff.immo/
Html is minified: 100.00 %
0.047
A
Content-Type: text/plain
Location: https://www.davidoff.immo/
Refresh: 0;url=https://www.davidoff.immo/
server: Vercel

• https://davidoff.immo/
76.76.21.21
308
https://www.davidoff.immo/
Html is minified: 100.00 %
2.276
A
Cache-Control: public, max-age=0, must-revalidate
Content-Type: text/plain
Date: Mon, 30 Oct 2023 12:07:49 GMT
Location: https://www.davidoff.immo/
Refresh: 0;url=https://www.davidoff.immo/
Server: Vercel
Strict-Transport-Security: max-age=63072000
X-Vercel-Cache: MISS
X-Vercel-Id: fra1::lsq8t-1698667669305-99d35ea7aa27
Connection: close
Transfer-Encoding: chunked

• https://www.davidoff.immo/
76.76.21.22
Inline-JavaScript (∑/total): 2/677 Inline-CSS (∑/total): 0/0		200

Html is minified: 111.33 %
Other inline scripts (∑/total): 7/29626		2.613
A
Access-Control-Allow-Origin: *
Age: 69042
Cache-Control: no-store, no-cache, must-revalidate, proxy-revalidate
Content-Disposition: inline
Content-Encoding: gzip
Content-Type: text/html; charset=utf-8
Date: Mon, 30 Oct 2023 12:08:01 GMT
Etag: W/"3764c42d224dc389759c79936e1eab39"
Expires: 0
Pragma: no-cache
Server: Vercel
Strict-Transport-Security: max-age=63072000
X-Vercel-Cache: HIT
X-Vercel-Id: fra1::qbchv-1698667681402-ff03a2656a27
Connection: close
Transfer-Encoding: chunked

• https://www.davidoff.immo/
76.76.21.142
Inline-JavaScript (∑/total): 2/677 Inline-CSS (∑/total): 0/0		200

Html is minified: 111.33 %
Other inline scripts (∑/total): 7/29626		2.993
A
Access-Control-Allow-Origin: *
Age: 69033
Cache-Control: no-store, no-cache, must-revalidate, proxy-revalidate
Content-Disposition: inline
Content-Encoding: gzip
Content-Type: text/html; charset=utf-8
Date: Mon, 30 Oct 2023 12:07:52 GMT
Etag: W/"3764c42d224dc389759c79936e1eab39"
Expires: 0
Pragma: no-cache
Server: Vercel
Strict-Transport-Security: max-age=63072000
X-Vercel-Cache: HIT
X-Vercel-Id: fra1::5klxt-1698667672768-937a5a4fc426
Connection: close
Transfer-Encoding: chunked

• https://www.davidoff.immo/
76.76.21.164
Inline-JavaScript (∑/total): 2/677 Inline-CSS (∑/total): 0/0		200

Html is minified: 111.33 %
Other inline scripts (∑/total): 7/29626		2.610
A
Access-Control-Allow-Origin: *
Age: 69038
Cache-Control: no-store, no-cache, must-revalidate, proxy-revalidate
Content-Disposition: inline
Content-Encoding: gzip
Content-Type: text/html; charset=utf-8
Date: Mon, 30 Oct 2023 12:07:57 GMT
Etag: W/"3764c42d224dc389759c79936e1eab39"
Expires: 0
Pragma: no-cache
Server: Vercel
Strict-Transport-Security: max-age=63072000
X-Vercel-Cache: HIT
X-Vercel-Id: fra1::mzwb9-1698667677383-bd02d1d92a9e
Connection: close
Transfer-Encoding: chunked

• https://www.davidoff.immo/
76.76.21.241
Inline-JavaScript (∑/total): 2/677 Inline-CSS (∑/total): 0/0		200

Html is minified: 111.33 %
Other inline scripts (∑/total): 7/29626		2.667
A
Access-Control-Allow-Origin: *
Age: 69046
Cache-Control: no-store, no-cache, must-revalidate, proxy-revalidate
Content-Disposition: inline
Content-Encoding: gzip
Content-Type: text/html; charset=utf-8
Date: Mon, 30 Oct 2023 12:08:05 GMT
Etag: W/"3764c42d224dc389759c79936e1eab39"
Expires: 0
Pragma: no-cache
Server: Vercel
Strict-Transport-Security: max-age=63072000
X-Vercel-Cache: HIT
X-Vercel-Id: fra1::jxhxk-1698667685382-d11812c5a0be
Connection: close
Transfer-Encoding: chunked

• http://davidoff.immo/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
76.76.21.21
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		404

Html is minified: 100.00 %
Other inline scripts (∑/total): 0/0		0.216
A
Not Found
Visible Content: {"error":{"message":"Token not found","code":"not_found","statusCode":404,"meta":{}}}
Access-Control-Allow-Headers: Authorization, Accept, Content-Type
Access-Control-Allow-Methods: OPTIONS, GET, POST, PUT, PATCH, DELETE
Access-Control-Allow-Origin: *
Content-Length: 85
Content-Type: application/json; charset=utf-8
Date: Mon, 30 Oct 2023 12:08:09 GMT
Server: Vercel
X-Vercel-Id: fra1::7wp68-1698667689361-53b9a33b5fec
Connection: close

• http://www.davidoff.immo/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
76.76.21.22
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		404

Html is minified: 100.00 %
Other inline scripts (∑/total): 0/0		0.210
A
Not Found
Visible Content: {"error":{"message":"Token not found","code":"not_found","statusCode":404,"meta":{}}}
Access-Control-Allow-Headers: Authorization, Accept, Content-Type
Access-Control-Allow-Methods: OPTIONS, GET, POST, PUT, PATCH, DELETE
Access-Control-Allow-Origin: *
Content-Length: 85
Content-Type: application/json; charset=utf-8
Date: Mon, 30 Oct 2023 12:08:11 GMT
Server: Vercel
X-Vercel-Id: fra1::9r4v4-1698667691275-acc8201eb818
Connection: close

• http://www.davidoff.immo/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
76.76.21.142
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		404

Html is minified: 100.00 %
Other inline scripts (∑/total): 0/0		0.210
A
Not Found
Visible Content: {"error":{"message":"Token not found","code":"not_found","statusCode":404,"meta":{}}}
Access-Control-Allow-Headers: Authorization, Accept, Content-Type
Access-Control-Allow-Methods: OPTIONS, GET, POST, PUT, PATCH, DELETE
Access-Control-Allow-Origin: *
Content-Length: 85
Content-Type: application/json; charset=utf-8
Date: Mon, 30 Oct 2023 12:08:10 GMT
Server: Vercel
X-Vercel-Id: fra1::4x87d-1698667690016-6512188035c7
Connection: close

• http://www.davidoff.immo/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
76.76.21.164
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		404

Html is minified: 100.00 %
Other inline scripts (∑/total): 0/0		0.217
A
Not Found
Visible Content: {"error":{"message":"Token not found","code":"not_found","statusCode":404,"meta":{}}}
Access-Control-Allow-Headers: Authorization, Accept, Content-Type
Access-Control-Allow-Methods: OPTIONS, GET, POST, PUT, PATCH, DELETE
Access-Control-Allow-Origin: *
Content-Length: 85
Content-Type: application/json; charset=utf-8
Date: Mon, 30 Oct 2023 12:08:10 GMT
Server: Vercel
X-Vercel-Id: fra1::tdxfs-1698667690639-40f78417a709
Connection: close

• http://www.davidoff.immo/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
76.76.21.241
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		404

Html is minified: 100.00 %
Other inline scripts (∑/total): 0/0		0.210
A
Not Found
Visible Content: {"error":{"message":"Token not found","code":"not_found","statusCode":404,"meta":{}}}
Access-Control-Allow-Headers: Authorization, Accept, Content-Type
Access-Control-Allow-Methods: OPTIONS, GET, POST, PUT, PATCH, DELETE
Access-Control-Allow-Origin: *
Content-Length: 85
Content-Type: application/json; charset=utf-8
Date: Mon, 30 Oct 2023 12:08:12 GMT
Server: Vercel
X-Vercel-Id: fra1::p7z7b-1698667691906-725bc6205376
Connection: close

• https://76.76.21.21/
76.76.21.21
308
https://vercel.com/
Html is minified: 100.00 %
0.703
N
Certificate error: RemoteCertificateNameMismatch
Cache-Control: public, max-age=0, must-revalidate
Content-Type: text/plain
Date: Mon, 30 Oct 2023 12:08:12 GMT
Location: https://vercel.com/
Refresh: 0;url=https://vercel.com/
Server: Vercel
Strict-Transport-Security: max-age=63072000
X-Vercel-Cache: MISS
X-Vercel-Id: fra1::q2zb4-1698667692779-3d5c06c96247
Connection: close
Transfer-Encoding: chunked

• https://76.76.21.22/
76.76.21.22
308
https://vercel.com/
Html is minified: 100.00 %
1.310
N
Certificate error: RemoteCertificateNameMismatch
Cache-Control: public, max-age=0, must-revalidate
Content-Type: text/plain
Date: Mon, 30 Oct 2023 12:08:17 GMT
Location: https://vercel.com/
Refresh: 0;url=https://vercel.com/
Server: Vercel
Strict-Transport-Security: max-age=63072000
X-Vercel-Cache: MISS
X-Vercel-Id: fra1::d5c2f-1698667697363-2e63164f0425
Connection: close
Transfer-Encoding: chunked

• https://76.76.21.142/
76.76.21.142
308
https://vercel.com/
Html is minified: 100.00 %
0.663
N
Certificate error: RemoteCertificateNameMismatch
Cache-Control: public, max-age=0, must-revalidate
Content-Type: text/plain
Date: Mon, 30 Oct 2023 12:08:14 GMT
Location: https://vercel.com/
Refresh: 0;url=https://vercel.com/
Server: Vercel
Strict-Transport-Security: max-age=63072000
X-Vercel-Cache: MISS
X-Vercel-Id: fra1::k6t77-1698667694295-93e6edeb0d04
Connection: close
Transfer-Encoding: chunked

• https://76.76.21.164/
76.76.21.164
308
https://vercel.com/
Html is minified: 100.00 %
0.700
N
Certificate error: RemoteCertificateNameMismatch
Cache-Control: public, max-age=0, must-revalidate
Content-Type: text/plain
Date: Mon, 30 Oct 2023 12:08:15 GMT
Location: https://vercel.com/
Refresh: 0;url=https://vercel.com/
Server: Vercel
Strict-Transport-Security: max-age=63072000
X-Vercel-Cache: MISS
X-Vercel-Id: fra1::kpnb6-1698667695863-55d2eab08a30
Connection: close
Transfer-Encoding: chunked

• https://76.76.21.241/
76.76.21.241
308
https://vercel.com/
Html is minified: 100.00 %
0.737
N
Certificate error: RemoteCertificateNameMismatch
Cache-Control: public, max-age=0, must-revalidate
Content-Type: text/plain
Date: Mon, 30 Oct 2023 12:08:19 GMT
Location: https://vercel.com/
Refresh: 0;url=https://vercel.com/
Server: Vercel
Strict-Transport-Security: max-age=63072000
X-Vercel-Cache: MISS
X-Vercel-Id: fra1::5njhd-1698667699530-7b0e87e6ec3c
Connection: close
Transfer-Encoding: chunked

• https://vercel.com/

Inline-JavaScript (∑/total): 75/414559 Inline-CSS (∑/total): 0/0		200

Html is minified: 134.71 %
Other inline scripts (∑/total): 74/414559		2.893
A
Age: 43
Cache-Control: public, max-age=0, must-revalidate
Content-Encoding: gzip
Content-Security-Policy: default-src 'self' vercel.com *.vercel.com *.vercel.sh vercel.live *.stripe.com twitter.com *.twitter.com *.github.com *.codesandbox.io wss://*.vercel.com localhost:* chrome-extension://*;script-src 'self' 'unsafe-eval' 'unsafe-inline' www.google.com www.google-analytics.com www.googleadservices.com www.gstatic.com *.googleapis.com *.youtube.com *.youtube-nocookie.com *.ytimg.com *.twimg.com cdn.ampproject.org cdn.ethyca.com cdn.vercel-insights.com va.vercel-scripts.com vercel.com *.vercel.com *.vercel.sh vercel.live *.stripe.com twitter.com *.twitter.com *.github.com *.codesandbox.io wss://*.vercel.com localhost:* chrome-extension://*;child-src *.youtube.com *.youtube-nocookie.com *.stripe.com www.google.com td.doubleclick.net github.com calendly.com vercel.com *.vercel.com *.vercel.sh vercel.live *.stripe.com twitter.com *.twitter.com *.github.com *.codesandbox.io wss://*.vercel.com localhost:* chrome-extension://*;style-src 'self' 'unsafe-inline' *.googleapis.com vercel.com *.vercel.com *.vercel.sh vercel.live *.stripe.com twitter.com *.twitter.com *.github.com *.codesandbox.io wss://*.vercel.com localhost:* chrome-extension://*;img-src * blob: data:;media-src 'self' videos.ctfassets.net user-images.githubusercontent.com blob: vercel.com *.vercel.com *.vercel.sh vercel.live *.stripe.com twitter.com *.twitter.com *.github.com *.codesandbox.io wss://*.vercel.com localhost:* chrome-extension://*;connect-src data: *;font-src 'self' *.vercel.com *.gstatic.com;worker-src 'self' *.vercel.com blob:
Content-Type: text/html; charset=utf-8
Date: Mon, 30 Oct 2023 12:07:36 GMT
Etag: W/"py1xanqja4n7rw"
Feature-Policy: fullscreen 'self'; camera 'none'
Referrer-Policy: origin-when-cross-origin
Server: Vercel
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Vary: RSC, Next-Router-State-Tree, Next-Router-Prefetch, Next-Url
X-Content-Type-Options: nosniff
X-Dns-Prefetch-Control: on
X-Download-Options: noopen
X-Frame-Options: DENY
X-Matched-Path: /home
X-Powered-By: Next.js
X-Vercel-Cache: HIT
X-Vercel-Id: fra1::sfo1::qtdr6-1698667701174-740bfacc8f3d
X-Vercel-Ip-City: Berlin
X-Vercel-Ip-Country: DE
X-Vercel-Ip-Country-Region: BE
X-Vercel-Ip-Latitude: 52.5201
X-Vercel-Ip-Longitude: 13.4425
X-Vercel-Ip-Timezone: Europe/Berlin
X-Xss-Protection: 0
Connection: close
Transfer-Encoding: chunked

 

7. Comments


1. General Results, most used to calculate the result

Aname "davidoff.immo" is domain, public suffix is ".immo", top-level-domain is ".immo", top-level-domain-type is "generic", tld-manager is "Binky Moon, LLC", num .immo-domains preloaded: 5 (complete: 231048)
AGood: All ip addresses are public addresses
AGood: Minimal 2 ip addresses per domain name found: www.davidoff.immo has 2 different ip addresses (authoritative).
Warning: Only one ip address found: davidoff.immo has only one ip address.
Warning: No ipv6 address found. Ipv6 is the future with a lot of new features. So every domain name should have an ipv6 address. See https://en.wikipedia.org/wiki/IPv6: davidoff.immo has no ipv6 address.
Warning: No ipv6 address found. Ipv6 is the future with a lot of new features. So every domain name should have an ipv6 address. See https://en.wikipedia.org/wiki/IPv6: www.davidoff.immo has no ipv6 address.
AGood: No asked Authoritative Name Server had a timeout
Ahttps://76.76.21.21/ 76.76.21.21
308
https://vercel.com/
Correct redirect https to https
AGood: destination is https
AGood - only one version with Http-Status 200
AGood: one preferred version: www is preferred
AGood: No cookie sent via http.
AGood: every https has a Strict Transport Security Header
AGood: HSTS max-age is long enough, 31536000 seconds = 365 days
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: All urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset)
http://davidoff.immo/ 76.76.21.21

0;url=https://davidoff.immo/
Info: Non-standard Header "Refresh" found.
http://www.davidoff.immo/ 76.76.21.22

0;url=https://www.davidoff.immo/
Info: Non-standard Header "Refresh" found.
http://www.davidoff.immo/ 76.76.21.142

0;url=https://www.davidoff.immo/
Info: Non-standard Header "Refresh" found.
http://www.davidoff.immo/ 76.76.21.164

0;url=https://www.davidoff.immo/
Info: Non-standard Header "Refresh" found.
http://www.davidoff.immo/ 76.76.21.241

0;url=https://www.davidoff.immo/
Info: Non-standard Header "Refresh" found.
https://davidoff.immo/ 76.76.21.21

0;url=https://www.davidoff.immo/
Info: Non-standard Header "Refresh" found.
https://76.76.21.21/ 76.76.21.21

0;url=https://vercel.com/
Info: Non-standard Header "Refresh" found.
https://76.76.21.22/ 76.76.21.22

0;url=https://vercel.com/
Info: Non-standard Header "Refresh" found.
https://76.76.21.142/ 76.76.21.142

0;url=https://vercel.com/
Info: Non-standard Header "Refresh" found.
https://76.76.21.164/ 76.76.21.164

0;url=https://vercel.com/
Info: Non-standard Header "Refresh" found.
https://76.76.21.241/ 76.76.21.241

0;url=https://vercel.com/
Info: Non-standard Header "Refresh" found.
Ahttp://davidoff.immo/ 76.76.21.21
308
https://davidoff.immo/
Correct redirect http - https with the same domain name
Ahttp://www.davidoff.immo/ 76.76.21.22
308
https://www.davidoff.immo/
Correct redirect http - https with the same domain name
Ahttp://www.davidoff.immo/ 76.76.21.142
308
https://www.davidoff.immo/
Correct redirect http - https with the same domain name
Ahttp://www.davidoff.immo/ 76.76.21.164
308
https://www.davidoff.immo/
Correct redirect http - https with the same domain name
Ahttp://www.davidoff.immo/ 76.76.21.241
308
https://www.davidoff.immo/
Correct redirect http - https with the same domain name
Nhttps://76.76.21.21/ 76.76.21.21
308
https://vercel.com/
Error - Certificate isn't trusted, RemoteCertificateNameMismatch
Nhttps://76.76.21.22/ 76.76.21.22
308
https://vercel.com/
Error - Certificate isn't trusted, RemoteCertificateNameMismatch
Nhttps://76.76.21.142/ 76.76.21.142
308
https://vercel.com/
Error - Certificate isn't trusted, RemoteCertificateNameMismatch
Nhttps://76.76.21.164/ 76.76.21.164
308
https://vercel.com/
Error - Certificate isn't trusted, RemoteCertificateNameMismatch
Nhttps://76.76.21.241/ 76.76.21.241
308
https://vercel.com/
Error - Certificate isn't trusted, RemoteCertificateNameMismatch
XFatal error: Nameserver doesn't support TCP connection: dns1.p07.nsone.net / 198.51.44.7: Refused
XFatal error: Nameserver doesn't support TCP connection: dns1.p07.nsone.net / 2620:4d:4000:6259:7:7:0:1: Refused
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.davidoff.immo, 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 different. So that domain requires Server Name Indication (SNI), so the server is able to select the correct certificate.: Domain davidoff.immo, 1 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 different. So that domain requires Server Name Indication (SNI), so the server is able to select the correct certificate.: Domain www.davidoff.immo, 2 ip addresses.
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.davidoff.immo

2. Header-Checks

Fwww.davidoff.immo 76.76.21.22
Content-Security-Policy
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.22
X-Content-Type-Options
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.22
Referrer-Policy
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.22
Permissions-Policy
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.142
Content-Security-Policy
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.142
X-Content-Type-Options
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.142
Referrer-Policy
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.142
Permissions-Policy
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.164
Content-Security-Policy
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.164
X-Content-Type-Options
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.164
Referrer-Policy
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.164
Permissions-Policy
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.241
Content-Security-Policy
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.241
X-Content-Type-Options
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.241
Referrer-Policy
Critical: Missing Header:
Fwww.davidoff.immo 76.76.21.241
Permissions-Policy
Critical: Missing Header:

3. DNS- and NameServer - Checks

AInfo:: 12 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 3 Name Servers.
AInfo:: 12 Queries complete, 12 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:: 3 different Name Servers found: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net, 3 Name Servers included in Delegation: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net, 3 Name Servers included in 1 Zone definitions: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net, 1 Name Servers listed in SOA.Primary: root-dns.netcup.net.
AGood: Only one SOA.Primary Name Server found.: root-dns.netcup.net.
AGood: SOA.Primary Name Server included in the delegation set.: root-dns.netcup.net.
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: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.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: 3 different Name Servers found
AGood: All name servers have ipv4- and ipv6-addresses.: 3 different Name Servers found
Warning: All Name Servers have the same Top Level Domain / Public Suffix. If there is a problem with that Top Level Domain, your domain may be affected. Better: Use Name Servers with different top level domains.: 3 Name Servers, 1 Top Level Domain: net
Warning: All Name Servers have the same domain name. If there is a problem with that domain name (or with the name servers of that domain name), your domain may be affected. Better: Use Name Servers with different domain names / different top level domains.: Only one domain name used: netcup.net
Warning: All Name Servers from the same Country / IP location.: 3 Name Servers, 1 Countries: DE
AInfo: Ipv4-Subnet-list: 3 Name Servers, 3 different subnets (first Byte): 188., 37., 46., 3 different subnets (first two Bytes): 188.68., 37.221., 46.38., 3 different subnets (first three Bytes): 188.68.63., 37.221.199., 46.38.225.
AExcellent: Every Name Server IPv4-address starts with an unique Byte.
AInfo: IPv6-Subnet-list: 3 Name Servers with IPv6, 1 different subnets (first block): 2a03:, 2 different subnets (first two blocks): 2a03:4000:, 2a03:4001:, 3 different subnets (first three blocks): 2a03:4000:0000:, 2a03:4000:0002:, 2a03:4001:0000:, 3 different subnets (first four blocks): 2a03:4000:0000:0001:, 2a03:4000:0002:024b:, 2a03:4001:0000:0106:
AGood: Name Server IPv6 addresses from different subnets found.
AGood: Nameserver supports TCP connections: 6 good Nameserver
AGood: Nameserver supports Echo Capitalization: 6 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 6 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 6 good Nameserver
Nameserver doesn't pass all EDNS-Checks: dns1.p07.nsone.net: 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.
Nameserver doesn't pass all EDNS-Checks: dns1.p07.nsone.net / 198.51.44.7: OP100: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. FLAGS: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. V1DNSSEC: ok. NSID: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found (ns1dns-fra03-912-5314). COOKIE: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: dns1.p07.nsone.net / 2620:4d:4000:6259:7:7:0:1: OP100: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. FLAGS: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. V1DNSSEC: ok. NSID: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found (ns1dns-fra03-386-5314). COOKIE: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. CLIENTSUBNET: ok.
AGood: All SOA have the same Serial Number
AGood: CAA entries found, creating certificate is limited: globalsign.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: 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 and greater 1024 Bytes is compressed (gzip, deflate, br checked).
https://www.davidoff.immo/ 76.76.21.22
200

Warning: Https + http status 200 + Inline CSS / JavaScript found. Don't use inline CSS / JavaScript. These are compiled and re-used ressources, save these with a long Cache-Control max-age - header.
https://www.davidoff.immo/ 76.76.21.142
200

Warning: Https + http status 200 + Inline CSS / JavaScript found. Don't use inline CSS / JavaScript. These are compiled and re-used ressources, save these with a long Cache-Control max-age - header.
https://www.davidoff.immo/ 76.76.21.164
200

Warning: Https + http status 200 + Inline CSS / JavaScript found. Don't use inline CSS / JavaScript. These are compiled and re-used ressources, save these with a long Cache-Control max-age - header.
https://www.davidoff.immo/ 76.76.21.241
200

Warning: Https + http status 200 + Inline CSS / JavaScript found. Don't use inline CSS / JavaScript. These are compiled and re-used ressources, save these with a long Cache-Control max-age - header.
https://vercel.com/
200

Warning: Https + http status 200 + Inline CSS / JavaScript found. Don't use inline CSS / JavaScript. These are compiled and re-used ressources, save these with a long Cache-Control max-age - header.
https://www.davidoff.immo/ 76.76.21.22
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.davidoff.immo/ 76.76.21.142
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.davidoff.immo/ 76.76.21.164
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.davidoff.immo/ 76.76.21.241
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://vercel.com/
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.
AGood: Some script Elements (type text/javascript) with a src-Attribute have a defer / async - Attribute. So loading and executing these JavaScripts doesn't block parsing and rendering the Html-Output.
https://vercel.com/
200

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.: 1 script elements without defer/async.
AGood: All CSS / JavaScript files are sent compressed (gzip, deflate, br checked). That reduces the content of the files. 12 external CSS / JavaScript files found
AGood: All images with internal compression not compressed. Some Images (.png, .jpg, .jpeg, .webp, .gif) are already compressed, so an additional compression isn't helpful. 12 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. 76 external CSS / JavaScript files without Cache-Control-Header, 0 with Cache-Control, but no max-age, 0 with Cache-Control max-age too short (minimum 7 days), 12 with Cache-Control long enough, 88 complete.
AGood: All images are sent with a long Cache-Control header (minimum 7 days). So the browser can reuse these files, no download is required. 24 image files with long Cache-Control max-age found
AGood: All checked attribute values are enclosed in quotation marks (" or ').
AGood: Some img-elements have a valid alt-attribute.: 24 img-elements found, 20 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.: 4 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
ADuration: 287343 milliseconds, 287.343 seconds

 

8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
davidoff.immo
76.76.21.21
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
not supported
ok
davidoff.immo
76.76.21.21
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
not supported
ok
http/2 via ALPN supported 
SNI required 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
SNI required 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - too much certificates, don't send root certificates

1CN=davidoff.immo


2CN=R3, O=Let's Encrypt, C=US


3CN=ISRG Root X1, O=Internet Security Research Group, C=US


www.davidoff.immo
76.76.21.22
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

www.davidoff.immo
76.76.21.22
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
SNI required 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
SNI required 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - too much certificates, don't send root certificates

1CN=www.davidoff.immo


2CN=R3, O=Let's Encrypt, C=US


3CN=ISRG Root X1, O=Internet Security Research Group, C=US


www.davidoff.immo
76.76.21.142
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

www.davidoff.immo
76.76.21.142
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
SNI required 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
SNI required 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - too much certificates, don't send root certificates

1CN=www.davidoff.immo


2CN=R3, O=Let's Encrypt, C=US


3CN=ISRG Root X1, O=Internet Security Research Group, C=US


www.davidoff.immo
76.76.21.164
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

www.davidoff.immo
76.76.21.164
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
SNI required 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
SNI required 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - too much certificates, don't send root certificates

1CN=www.davidoff.immo


2CN=R3, O=Let's Encrypt, C=US


3CN=ISRG Root X1, O=Internet Security Research Group, C=US


www.davidoff.immo
76.76.21.241
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

www.davidoff.immo
76.76.21.241
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
SNI required 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
SNI required 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - too much certificates, don't send root certificates

1CN=www.davidoff.immo


2CN=R3, O=Let's Encrypt, C=US


3CN=ISRG Root X1, O=Internet Security Research Group, C=US


vercel.com
vercel.com
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

vercel.com
vercel.com
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 - too much certificates, don't send root certificates

1CN=vercel.com


2CN=R3, O=Let's Encrypt, C=US


3CN=ISRG Root X1, O=Internet Security Research Group, C=US


76.76.21.21
76.76.21.21
443
name does not match
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok

76.76.21.21
76.76.21.21
443
name does not match
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok
no http/2 via ALPN 
Cert sent without SNI 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
Cert sent without SNI 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2


76.76.21.22
76.76.21.22
443
name does not match
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok

76.76.21.22
76.76.21.22
443
name does not match
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok
no http/2 via ALPN 
Cert sent without SNI 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
Cert sent without SNI 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2


76.76.21.142
76.76.21.142
443
name does not match
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok

76.76.21.142
76.76.21.142
443
name does not match
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok
no http/2 via ALPN 
Cert sent without SNI 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
Cert sent without SNI 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2


76.76.21.164
76.76.21.164
443
name does not match
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok

76.76.21.164
76.76.21.164
443
name does not match
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok
no http/2 via ALPN 
Cert sent without SNI 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
Cert sent without SNI 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2


76.76.21.241
76.76.21.241
443
name does not match
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok

76.76.21.241
76.76.21.241
443
name does not match
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
error checking OCSP stapling
ok
no http/2 via ALPN 
Cert sent without SNI 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
Cert sent without SNI 		Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2

 

9. Certificates

1.
1.
CN=davidoff.immo
29.10.2023
27.01.2024
473 days expired		davidoff.immo - 1 entry
1.
1.
CN=davidoff.immo
29.10.2023

27.01.2024
473 days expired


davidoff.immo - 1 entry

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:04C27E256AEC8C9BB0A52178E5E4B1CDF216
Thumbprint:DEF27C22EE3522D3B703765F263C47AD3D10E4CF
SHA256 / Certificate:/lVDFu26VL6jsR19TiSqWQsDxAik1TTB6eAT7gKkXRg=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):8a2a362c721fed773a2dcdcc7d06e778fd7ea4b591d9c8a7b50462643fa6fac7
SHA256 hex / Subject Public Key Information (SPKI):8a2a362c721fed773a2dcdcc7d06e778fd7ea4b591d9c8a7b50462643fa6fac7 (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:http://r3.o.lencr.org
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=R3, O=Let's Encrypt, C=US
04.09.2020
15.09.2025
expires in 124 days

2.
CN=R3, O=Let's Encrypt, C=US
04.09.2020

15.09.2025
expires in 124 days




KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:00912B084ACF0C18A753F6D62E25A75F5A
Thumbprint:A053375BFE84E8B748782C7CEE15827A6AF5A405
SHA256 / Certificate:Z63RFmsCCuYbj1/JaBPATCqliZYHloZVcqPH5zdhPf0=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SHA256 hex / Subject Public Key Information (SPKI):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:Clientauthentifizierung (1.3.6.1.5.5.7.3.2), Serverauthentifizierung (1.3.6.1.5.5.7.3.1)




3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015
04.06.2035
expires in 3673 days

3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015

04.06.2035
expires in 3673 days




KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:008210CFB0D240E3594463E0BB63828B00
Thumbprint:CABD2A79A1076A31F21D253635CB039D4329A5E8
SHA256 / Certificate:lrzsBiZJdvN0YHeazyjFp8/oo8Cq4RqP/O4FwL3fCMY=
SHA256 hex / Cert (DANE * 0 1):96bcec06264976f37460779acf28c5a7cfe8a3c0aae11a8ffcee05c0bddf08c6
SHA256 hex / PublicKey (DANE * 1 1):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
SHA256 hex / Subject Public Key Information (SPKI):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
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:




2.
1.
CN=www.davidoff.immo
29.10.2023
27.01.2024
473 days expired		www.davidoff.immo - 1 entry
2.
1.
CN=www.davidoff.immo
29.10.2023

27.01.2024
473 days expired


www.davidoff.immo - 1 entry

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:04E7A5BB4B74DC24F0BA38746C3C3B095930
Thumbprint:A32B320128860BD095E79749DC4F39D505E68310
SHA256 / Certificate:kCDpCoHYoaKFQkVCnOJebcudCxv4aOrVY6lTGWgcl7M=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):53f19b8bb977fd27e6ae87fa9ca5d934c1172bb86c50ad3ad7049cff4dd42535
SHA256 hex / Subject Public Key Information (SPKI):53f19b8bb977fd27e6ae87fa9ca5d934c1172bb86c50ad3ad7049cff4dd42535 (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:http://r3.o.lencr.org
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=R3, O=Let's Encrypt, C=US
04.09.2020
15.09.2025
expires in 124 days

2.
CN=R3, O=Let's Encrypt, C=US
04.09.2020

15.09.2025
expires in 124 days




KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:00912B084ACF0C18A753F6D62E25A75F5A
Thumbprint:A053375BFE84E8B748782C7CEE15827A6AF5A405
SHA256 / Certificate:Z63RFmsCCuYbj1/JaBPATCqliZYHloZVcqPH5zdhPf0=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SHA256 hex / Subject Public Key Information (SPKI):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:Clientauthentifizierung (1.3.6.1.5.5.7.3.2), Serverauthentifizierung (1.3.6.1.5.5.7.3.1)




3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015
04.06.2035
expires in 3673 days

3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015

04.06.2035
expires in 3673 days




KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:008210CFB0D240E3594463E0BB63828B00
Thumbprint:CABD2A79A1076A31F21D253635CB039D4329A5E8
SHA256 / Certificate:lrzsBiZJdvN0YHeazyjFp8/oo8Cq4RqP/O4FwL3fCMY=
SHA256 hex / Cert (DANE * 0 1):96bcec06264976f37460779acf28c5a7cfe8a3c0aae11a8ffcee05c0bddf08c6
SHA256 hex / PublicKey (DANE * 1 1):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
SHA256 hex / Subject Public Key Information (SPKI):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
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:




3.
1.
CN=no-sni.vercel-infra.com
21.08.2023
19.11.2023
542 days expired		no-sni.vercel-infra.com - 1 entry
3.
1.
CN=no-sni.vercel-infra.com
21.08.2023

19.11.2023
542 days expired


no-sni.vercel-infra.com - 1 entry

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:039FFCC24E6F8BAF7899681EAE60619E701F
Thumbprint:F0C24E7430CD1D313D8C29BA90FFF43461EBDDC9
SHA256 / Certificate:kzGl5n5TTPXOnkI/27P6YpGLfWm1bhlo9IDB6CMkuls=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):bc712b415e5c9d9f366f27d44231ea3ed0537f0b5042910b629f2cb3b80dd3de
SHA256 hex / Subject Public Key Information (SPKI):bc712b415e5c9d9f366f27d44231ea3ed0537f0b5042910b629f2cb3b80dd3de (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:http://r3.o.lencr.org
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=R3, O=Let's Encrypt, C=US
04.09.2020
15.09.2025
expires in 124 days

2.
CN=R3, O=Let's Encrypt, C=US
04.09.2020

15.09.2025
expires in 124 days




KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:00912B084ACF0C18A753F6D62E25A75F5A
Thumbprint:A053375BFE84E8B748782C7CEE15827A6AF5A405
SHA256 / Certificate:Z63RFmsCCuYbj1/JaBPATCqliZYHloZVcqPH5zdhPf0=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SHA256 hex / Subject Public Key Information (SPKI):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:Clientauthentifizierung (1.3.6.1.5.5.7.3.2), Serverauthentifizierung (1.3.6.1.5.5.7.3.1)




3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015
04.06.2035
expires in 3673 days

3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015

04.06.2035
expires in 3673 days




KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:008210CFB0D240E3594463E0BB63828B00
Thumbprint:CABD2A79A1076A31F21D253635CB039D4329A5E8
SHA256 / Certificate:lrzsBiZJdvN0YHeazyjFp8/oo8Cq4RqP/O4FwL3fCMY=
SHA256 hex / Cert (DANE * 0 1):96bcec06264976f37460779acf28c5a7cfe8a3c0aae11a8ffcee05c0bddf08c6
SHA256 hex / PublicKey (DANE * 1 1):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
SHA256 hex / Subject Public Key Information (SPKI):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
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:




4.
1.
CN=vercel.com
25.10.2023
23.01.2024
477 days expired		vercel.com - 1 entry
4.
1.
CN=vercel.com
25.10.2023

23.01.2024
477 days expired


vercel.com - 1 entry

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0313CE2DFBDD9A1D726D2BF3609F6F40F9E0
Thumbprint:4A0263D0DE6AAA178345FA72FC665A4B008B2478
SHA256 / Certificate:93zMnXFMDkLhm8I1dDhewEwY38n8cWMO7s2t9sZdShs=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):a7042a55b30b76b13a87fd712c0e679ab2ef3a1059052c03b6dc1baa9f5b54d4
SHA256 hex / Subject Public Key Information (SPKI):a7042a55b30b76b13a87fd712c0e679ab2ef3a1059052c03b6dc1baa9f5b54d4 (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:http://r3.o.lencr.org
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=R3, O=Let's Encrypt, C=US
04.09.2020
15.09.2025
expires in 124 days

2.
CN=R3, O=Let's Encrypt, C=US
04.09.2020

15.09.2025
expires in 124 days




KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:00912B084ACF0C18A753F6D62E25A75F5A
Thumbprint:A053375BFE84E8B748782C7CEE15827A6AF5A405
SHA256 / Certificate:Z63RFmsCCuYbj1/JaBPATCqliZYHloZVcqPH5zdhPf0=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SHA256 hex / Subject Public Key Information (SPKI):8d02536c887482bc34ff54e41d2ba659bf85b341a0a20afadb5813dcfbcf286d
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:Clientauthentifizierung (1.3.6.1.5.5.7.3.2), Serverauthentifizierung (1.3.6.1.5.5.7.3.1)




3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015
04.06.2035
expires in 3673 days

3.
CN=ISRG Root X1, O=Internet Security Research Group, C=US
04.06.2015

04.06.2035
expires in 3673 days




KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:008210CFB0D240E3594463E0BB63828B00
Thumbprint:CABD2A79A1076A31F21D253635CB039D4329A5E8
SHA256 / Certificate:lrzsBiZJdvN0YHeazyjFp8/oo8Cq4RqP/O4FwL3fCMY=
SHA256 hex / Cert (DANE * 0 1):96bcec06264976f37460779acf28c5a7cfe8a3c0aae11a8ffcee05c0bddf08c6
SHA256 hex / PublicKey (DANE * 1 1):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
SHA256 hex / Subject Public Key Information (SPKI):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
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=R3, O=Let's Encrypt, C=US
0
0
3

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
5694264289
leaf cert		CN=R3, O=Let's Encrypt, C=US
2023-08-16 13:13:20
2023-11-14 13:13:19
www.davidoff.immo - 1 entries


5694259741
leaf cert		CN=R3, O=Let's Encrypt, C=US
2023-08-16 13:13:16
2023-11-14 13:13:15
davidoff.immo - 1 entries


5528023231
leaf cert		CN=R3, O=Let's Encrypt, C=US
2023-07-15 01:00:15
2023-10-13 01:00:14
davidoff.immo - 1 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=R3, O=Let's Encrypt, C=US
0 /0 new
0
5

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
10936136318
leaf cert		CN=R3, O=Let's Encrypt, C=US
2023-10-29 14:56:49
2024-01-27 14:56:48
davidoff.immo
1 entries


10936136272
leaf cert		CN=R3, O=Let's Encrypt, C=US
2023-10-29 14:56:49
2024-01-27 14:56:48
www.davidoff.immo
1 entries


10312051815
leaf cert		CN=R3, O=Let's Encrypt, C=US
2023-08-16 11:13:20
2023-11-14 12:13:19
www.davidoff.immo
1 entries


10312052289
leaf cert		CN=R3, O=Let's Encrypt, C=US
2023-08-16 11:13:16
2023-11-14 12:13:15
davidoff.immo
1 entries


9957961655
leaf cert		CN=R3, O=Let's Encrypt, C=US
2023-07-14 23:00:15
2023-10-12 23:00:14
davidoff.immo
1 entries


 

11. Html-Content - Entries

Summary


Subresource Integrity (SRI)
DomainnameHtmlElementrel/property∑∑ size∑ problems∑ int.∑ ext.∑ Origin poss.∑ SRI ParseErrors∑ SRI valid∑ SRI missing
https://www.davidoff.immo/
76.76.21.22		a

2

0


0
0
0


img

6
734,274 Bytes
0
0
6
6
0
0
-6

link
stylesheet
3

0
3
0
0
0
0


link
other
16

0
1
0
0
0
0


meta
other
5

0


0
0
0

https://www.davidoff.immo/
76.76.21.142		a

2

0


0
0
0


img

6
734,274 Bytes
0
0
6
6
0
0
-6

link
stylesheet
3

0
3
0
0
0
0


link
other
16

0
1
0
0
0
0


meta
other
5

0


0
0
0

https://www.davidoff.immo/
76.76.21.164		a

2

0


0
0
0


img

6
734,274 Bytes
0
0
6
6
0
0
-6

link
stylesheet
3

0
3
0
0
0
0


link
other
16

0
1
0
0
0
0


meta
other
5

0


0
0
0

https://www.davidoff.immo/
76.76.21.241		a

2

0


0
0
0


img

6
734,274 Bytes
0
0
6
6
0
0
-6

link
stylesheet
3

0
3
0
0
0
0


link
other
16

0
1
0
0
0
0


meta
other
5

0


0
0
0

https://vercel.com/
a

68

0


0
0
0


link
stylesheet
7

0


0
0
0


link
other
26

0


0
0
0


meta
apple
3

0


0
0
0


meta
og
7

0


0
0
0


meta
twitter
4

0


0
0
0


meta
other
5

0


0
0
0


script

69

0


0
0
0

 

Details (currently limited to 500 rows - some problems with spam users)

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsg∑Status
76.76.21.22
a

#


1
ok















a

/leistungen


1
ok















img
src
https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604556/large_pavel_9937ff8e30_567cd81028.jpg
200

1
ok
alt: Picture_Pavelimage/jpeg
X-Content-Type-Options nosniff found




Cache-Control: public, no-transform, immutable, max-age=2592000 with long duration found.
No Compression - 99122 Bytes






Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

 

sha256-IV6NKhgimjyGxofxsFgHxgvHguQbz+OMkumrjxMWul4=
sha384-ygwXeXgwCK9ruHQzMyvWVC+Y/NLsdog3IMR6J1C5dEA11Kvcs/RcRSznjN9K6VxL
sha512-j1kp5gY3xzAMLkEWu0zA/Vms/UlWFkr4R+VKnaHRCdZHipNpZi+FJmazljb69TqcTqLgFG+4zVO9jDdYBSh/EA==

 

<img src="https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604556/large_pavel_9937ff8e30_567cd81028.jpg" crossorigin="anonymous" integrity="sha256-IV6NKhgimjyGxofxsFgHxgvHguQbz+OMkumrjxMWul4=" />



img
src
https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604833/kompetenz_199ca8fc33_30a8a1afdf.png
200

1
ok
alt: Zuverlaessig_Kompetentimage/png
X-Content-Type-Options nosniff found




Cache-Control: public, no-transform, immutable, max-age=2592000 with long duration found.
No Compression - 7796 Bytes






Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

 

sha256-+c3GCsxbA+UCf+T8co/YFe91gosmqWP4NZnbAOPtOSI=
sha384-nEtoDMwSxie1U1FGPH4tDOubwmCAHNEYnYnqu86tsmk426iR4Rg8yQoI+lol7rZF
sha512-FR7RBfLFQ5NgRDMbQjYgMwMD33mGBlprqZvSbnfN4KUdInYHoZ0gI49BqP3tUz/CEfYJj7it25DLk+LFF8W/zg==

 

<img src="https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604833/kompetenz_199ca8fc33_30a8a1afdf.png" crossorigin="anonymous" integrity="sha256-+c3GCsxbA+UCf+T8co/YFe91gosmqWP4NZnbAOPtOSI=" />



img
src
https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604833/loyalitaet_2_822d44b35e_24459543ce.png
200

1
ok
alt: Qualitativ_Hochwertigimage/png
X-Content-Type-Options nosniff found




Cache-Control: public, no-transform, immutable, max-age=2592000 with long duration found.
No Compression - 8567 Bytes






Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

 

sha256-ju3Jse0862s9drgsaTh7lVt2nRMum89V2rNEl8Hl864=
sha384-nr5z21CG28x4scbM/+BlQk6OGvRiluXby7ZW8Ekd8/mrzGG07zMvL1Kx8kCgUb6N
sha512-5ENcRRSzVrcBAb7ttNZgxKZ26tz84ZjkKD+SdNu3AiG6q/zfcTTnJltlaZDW74560j0KBGP6kdV7yP+R5hZA7Q==

 

<img src="https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604833/loyalitaet_2_822d44b35e_24459543ce.png" crossorigin="anonymous" integrity="sha256-ju3Jse0862s9drgsaTh7lVt2nRMum89V2rNEl8Hl864=" />



img
src
https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604833/quality_d28e1035ba_31be17c969.png
200

1
ok
alt: Integer_Loyalimage/png
X-Content-Type-Options nosniff found




Cache-Control: public, no-transform, immutable, max-age=2592000 with long duration found.
No Compression - 8504 Bytes






Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

 

sha256-CAaw/AM+JZEmjV6RQwzqCV/sZPf9yrZjSlaIyk99WOA=
sha384-QHoRM93JtfdA8EYHfMldR2KB9+xzFzrs++1zjY6RW1g5W0E1XHMIYf3UQBNun45F
sha512-oENq0oeixHUrMLn+ByP4Y7CapfLHIswSNiUHmZ0Lc92wM3OL7V5vxwsGBnd0gxNBPdowdUZW8DcncqUdS3q3+w==

 

<img src="https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604833/quality_d28e1035ba_31be17c969.png" crossorigin="anonymous" integrity="sha256-CAaw/AM+JZEmjV6RQwzqCV/sZPf9yrZjSlaIyk99WOA=" />



img
src
https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604940/haus_e6966bc327_77707275e5.jpg
200

1
ok
alt: Picture_Pavelimage/jpeg
X-Content-Type-Options nosniff found




Cache-Control: public, no-transform, immutable, max-age=2592000 with long duration found.
No Compression - 145823 Bytes






Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

 

sha256-gTVT2ZIJIaWUFfJH8jHgnJ4/Lt/4nq+t4+NVLGlAJCc=
sha384-7ZiYepLhBUCfMm2VwW7rQ9e1wuLNcvsLJcaWv7iysyo4Wi5Nqr+HqZfULSGmiVu3
sha512-Ca5QEnsdxNCLNV37PanLASSNQwZ/mQgPRPREZpHnH0LzuIcaDsvEN5ZhrSdk+4d3Cx0HyA00YZRV7zdYTrHiqQ==

 

<img src="https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604940/haus_e6966bc327_77707275e5.jpg" crossorigin="anonymous" integrity="sha256-gTVT2ZIJIaWUFfJH8jHgnJ4/Lt/4nq+t4+NVLGlAJCc=" />



img
src
https://res.cloudinary.com/dkifhvxfz/image/upload/v1691671494/Main_Background_0f047dbf64.jpg
200

1
ok
no alt-Attributeimage/jpeg
X-Content-Type-Options nosniff found




Cache-Control: public, no-transform, immutable, max-age=2592000 with long duration found.
No Compression - 464462 Bytes






Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

 

sha256-Dv0kshn77IyoxFsT9VK4LNxS7Qz/KbFnOPcWKz4aODM=
sha384-JSBtCqP1pumIFjdhft7fLUZhunSxN/vq4WvVIdXSnjQT/uWnhJMCry1GO4LJSHPB
sha512-rZzfNUmA9QIhTmZyv9a4xFEisoNg2lzkvuCVpyhp47GU8lnJ9TXXDghbOS7lafFaAy0NhSq5vpl14irLCcrlVg==

 

<img src="https://res.cloudinary.com/dkifhvxfz/image/upload/v1691671494/Main_Background_0f047dbf64.jpg" crossorigin="anonymous" integrity="sha256-Dv0kshn77IyoxFsT9VK4LNxS7Qz/KbFnOPcWKz4aODM=" />



link
icon
./favicon.ico
200

1
ok
image/vnd.microsoft.icon
missing X-Content-Type-Options nosniff




Cache-Control: no-store, no-cache, must-revalidate, proxy-revalidate - max-age missing.
No Compression - 1079 Bytes








link
modulepreload
./_app/immutable/chunks/exports.17e386ee.js


1
ok















link
modulepreload
./_app/immutable/chunks/index.1630aeb8.js


1
ok















link
modulepreload
./_app/immutable/chunks/index.69b24561.js


1
ok















link
modulepreload
./_app/immutable/chunks/index.e9180ed8.js


1
ok















link
modulepreload
./_app/immutable/chunks/load.7696a6dd.js


1
ok















link
modulepreload
./_app/immutable/chunks/paths.8e7f0ebd.js


1
ok















link
modulepreload
./_app/immutable/chunks/preload-helper.a4192956.js


1
ok















link
modulepreload
./_app/immutable/chunks/sentry-release-injection-file.8920343a.js


1
ok















link
modulepreload
./_app/immutable/chunks/singletons.a93df4cc.js


1
ok















link
modulepreload
./_app/immutable/chunks/store.401bf0db.js


1
ok















link
modulepreload
./_app/immutable/chunks/stores.18384f7b.js


1
ok















link
modulepreload
./_app/immutable/entry/app.8ea624cc.js


1
ok















link
modulepreload
./_app/immutable/entry/start.bb351c17.js


1
ok















link
modulepreload
./_app/immutable/nodes/0.bd5fbf95.js


1
ok















link
modulepreload
./_app/immutable/nodes/2.dd91a2d3.js


1
ok















link
stylesheet
./_app/immutable/assets/0.09ccd835.css
200

1
ok
text/css; charset=utf-8
missing X-Content-Type-Options nosniff




Cache-Control: public, immutable, max-age=31536000 - with long duration found.
Compression required: 2093 Bytes






local SRI possible, possible hash-values:

 

sha256-CczYNahKCSToO2QUlCr4MhFgJlCFk4e+TMw9sYHeFc0=
sha384-/EtnyT79VJsvCjg256TN7cj41HZQ8U8OOy5JcangKcKltZccmo9OGU2XopCoseKW
sha512-2Ec5gu5qBZX0X0yd80/CT7X+N7jPMecSa/UlnhIny7HHC4oAwYpMaUPjEDpvM+j6erHBsg79hxxKB4YaHLYFwA==

 

<link rel="stylesheet" href="./_app/immutable/assets/0.09ccd835.css" crossorigin="anonymous" integrity="sha256-CczYNahKCSToO2QUlCr4MhFgJlCFk4e+TMw9sYHeFc0=" />


Content loaded via url("...")

 

./titillium-web-latin-200-normal.217ee5c4.woff1
./titillium-web-latin-200-normal.e0ec0b8a.woff21
./titillium-web-latin-300-normal.ba5e1384.woff1
./titillium-web-latin-300-normal.d14d732f.woff21
./titillium-web-latin-400-normal.23eb45c9.woff1
./titillium-web-latin-400-normal.557f6d08.woff21
./titillium-web-latin-600-normal.78318657.woff1
./titillium-web-latin-600-normal.dd870101.woff21
./titillium-web-latin-ext-200-normal.975dc251.woff21
./titillium-web-latin-ext-200-normal.b0bbb06c.woff1
./titillium-web-latin-ext-300-normal.2eb466d9.woff21
./titillium-web-latin-ext-300-normal.94baa272.woff1
./titillium-web-latin-ext-400-normal.05e41516.woff21
./titillium-web-latin-ext-400-normal.a3e7073a.woff1
./titillium-web-latin-ext-600-normal.069170df.woff21
./titillium-web-latin-ext-600-normal.f98b2e7f.woff1

link
stylesheet
./_app/immutable/assets/2.cd1c0c6c.css
200

1
ok
text/css; charset=utf-8
missing X-Content-Type-Options nosniff




Cache-Control: public, immutable, max-age=31536000 - with long duration found.
Compression required: 1852 Bytes






local SRI possible, possible hash-values:

 

sha256-zRwMbIYOZ5GX3FjFTAh6SYGqduoL7AmyelNhYk1cUbQ=
sha384-N6PtpRHyB1Ai9y5OBdU1SAh6fNo2wfFlBS7QmN+vqqgY84HMxf5RwmzlcJUbxrXa
sha512-PBzi2aNyjIIYb5FqzpNKZIBWMi9K+kjR2R5BX60G7P0PijLMpdq7Q7BhVvdBM8VoMnU5Zd0F3dm4xjSxbiAPng==

 

<link rel="stylesheet" href="./_app/immutable/assets/2.cd1c0c6c.css" crossorigin="anonymous" integrity="sha256-zRwMbIYOZ5GX3FjFTAh6SYGqduoL7AmyelNhYk1cUbQ=" />



link
stylesheet
./_app/immutable/assets/app.db76daed.css
200

1
ok
text/css; charset=utf-8
missing X-Content-Type-Options nosniff




Cache-Control: public, immutable, max-age=31536000 - with long duration found.
Compression required: 2527 Bytes






local SRI possible, possible hash-values:

 

sha256-23ba7Tcmq97GQK32IZ5U57OsK1LbIMsVFKvviTzaoFM=
sha384-If9efXsnyFSMxaqGfnrG/2Z8ED/eziCOwBikCGhFVkOG0uzrMa4FoTjha5NWz2PR
sha512-N1Te2VZESHTL6sUIoSHih/jKVCVmCkjtebMlp2vjz9W6TjcIiiODbbO+3BZEXQNgyqzEFcJYl6auMUY7wIzA5Q==

 

<link rel="stylesheet" href="./_app/immutable/assets/app.db76daed.css" crossorigin="anonymous" integrity="sha256-23ba7Tcmq97GQK32IZ5U57OsK1LbIMsVFKvviTzaoFM=" />


Content loaded via url("...")

 

../../../fonts/Titillium_Web/TitilliumWeb-Regular.ttf1

meta
charset
 utf-8


1
ok















meta
baggage
sentry-environment=production,sentry-release=1f7a6022e78ee551f4edb2b58df12e6cc1b959b8,sentry-public_key=90a55acbc105f08e4b6cb4c9f0aee48b,sentry-trace_id=44f876abc3fd4498a0ccb601afb749fd,sentry-sample_rate=1,sentry-transaction=GET%20%2F,sentry-sampled=true


1
ok















meta
description
Startseite von Davidoff Immobilien


1
ok















meta
sentry-trace
44f876abc3fd4498a0ccb601afb749fd-883fb04a609146c3-1


1
ok















meta
viewport
width=device-width, initial-scale=1


1
ok














https://www.davidoff.immo/
76.76.21.142
a

#


1
ok















a

/leistungen


1
ok















img
src
https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604556/large_pavel_9937ff8e30_567cd81028.jpg
200

1
ok
alt: Picture_Pavelimage/jpeg
X-Content-Type-Options nosniff found




Cache-Control: public, no-transform, immutable, max-age=2592000 with long duration found.
No Compression - 99122 Bytes






Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

 

sha256-IV6NKhgimjyGxofxsFgHxgvHguQbz+OMkumrjxMWul4=
sha384-ygwXeXgwCK9ruHQzMyvWVC+Y/NLsdog3IMR6J1C5dEA11Kvcs/RcRSznjN9K6VxL
sha512-j1kp5gY3xzAMLkEWu0zA/Vms/UlWFkr4R+VKnaHRCdZHipNpZi+FJmazljb69TqcTqLgFG+4zVO9jDdYBSh/EA==

 

<img src="https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604556/large_pavel_9937ff8e30_567cd81028.jpg" crossorigin="anonymous" integrity="sha256-IV6NKhgimjyGxofxsFgHxgvHguQbz+OMkumrjxMWul4=" />



img
src
https://res.cloudinary.com/dkifhvxfz/image/upload/v1689604833/kompetenz_199ca8fc33_30a8a1afdf.png
200

1
ok
alt: Zuverlaessig_Kompetentimage/png
X-Content-Type-Options nosniff found




Cache-Control: public, no-transform, immutable, max-age=2592000 with long duration found.
No Compression - 7796 Bytes






Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

 

sha256-+c3GCsxbA+UCf+T8co/YFe91gosmqWP4NZnbAOPtOSI=
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1
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link
stylesheet
/_next/static/css/55953eaa3aecdb44.css?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok















link
stylesheet
/_next/static/css/6343254104ebb0fc.css?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok















link
stylesheet
/_next/static/css/8c0b87da47dd084a.css?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok















link
stylesheet
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1
ok















link
stylesheet
/_next/static/css/d26f1dbf0b5ad578.css?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok















link
stylesheet
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1
ok















link
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1
ok















meta
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meta
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Vercel's Frontend Cloud gives developers the frameworks, workflows, and infrastructure to build a faster, more personalized Web.


1
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meta
og:image
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1
ok















meta
og:locale
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1
ok















meta
og:site_name
Vercel


1
ok















meta
og:title
Vercel: Build and deploy the best Web experiences with The Frontend Cloud


1
ok















meta
og:type
website


1
ok















meta
og:url
https://vercel.com/home


1
ok















meta
apple-mobile-web-app-capable
yes


1
ok















meta
apple-mobile-web-app-status-bar-style
default


1
ok















meta
apple-mobile-web-app-title
Vercel


1
ok















meta
description
Vercel's Frontend Cloud gives developers the frameworks, workflows, and infrastructure to build a faster, more personalized Web.


1
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meta
next-size-adjust



1
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meta
robots
index, max-image-preview:large


1
ok















meta
twitter:card
summary_large_image


1
ok















meta
twitter:description
Vercel's Frontend Cloud gives developers the frameworks, workflows, and infrastructure to build a faster, more personalized Web.


1
ok















meta
twitter:image
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1
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meta
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Vercel: Build and deploy the best Web experiences with The Frontend Cloud


1
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viewport
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1
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script
src
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1
ok
async attribute found














script
src
/_next/static/chunks/10991-60a86aa37ea3f658.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/11555-0f459f2f0b2835cf.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/11694-1bd3b0547e5d01db.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/12689-30698a585b89eeee.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/1583-867d70b06ec79a88.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/16723-036c9433ad3a2391.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/18362-9dc04c566643bb3c.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/20339-7e6e01458dd9139c.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/204bad46-11ea3940b04b014a.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/22cbc9df-e5667d7bbe585e78.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/26289-b2e801f96b585314.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/27839-ac90e1f23881b489.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/27895-a18180da785f6b2d.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/28045-d6c607396886ab55.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/29394-7cf7ec3a941c5697.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/31655-fd38d4217ff29349.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/32222-b256822bac9d6f66.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/35490-0b2dfe5a691c4914.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/35900-96464c5f9fa91e5b.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/37122-4fa7ea930ac0e9a0.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/3729-638e02531dcfebbb.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/39651-27548ee7267bcc31.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/41054-55fbb0d7380251ee.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/41303-90091a02c4a6f92c.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/41410-0209aeea2d1cda01.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/43528-efa7c8156d1b1278.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/43944-4280bb3baafa19e9.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/44849-bd52677639c2aa4e.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/48022-ba2e57cb4147d802.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/49034-8bdacbd64236bb24.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/4950-d9aa18481aa2bfe7.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/51342-5855f288a3d0e095.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/52308-539d1e9c303c2624.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/56002-41a6410a5388a330.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/57084-7818572148b25eeb.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/57740-f6f18464297c09c1.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/58406-d4e1934a5581225b.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/61355-5febc968189b3fac.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/64352-4850b3151a93ccdc.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/65235-fc418b1fab401928.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/65713-b9163d542376956f.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/67097-73b2c8b7a49dda35.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/67738-6d06eda8b2f2f7ae.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/67807-3889105384f81ef9.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/68818-be5e90a3ec94c481.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/71329-daaf1586b74605db.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/72123-482ac4ad21ffe421.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/75225-1ff24fff1f38b75a.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/77652-baf70da41d9a88cf.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/77681-0a8fb456871d03c5.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/79929-b6463e5514f9ba22.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/83222-7f0d8387bfcf0b78.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/8350-6bf8984178ce7e08.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/84979-edfedfe6578703af.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/85530-240415c6e2b868bf.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/85812-2ccfab455cbfc7f6.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/89079-1126488ae227a2b8.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/89836-29ccc0e985b506c9.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/90374-1f9b10a034153b2c.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/92192-dc9563977efb9939.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/92998-34ec5a0a7a349f2e.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/93904-93363fa3732d0f08.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/app/home/layout-ce749a90073ccd3a.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/app/home/page-8fd93a71153fddc8.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/app/not-found-9567e8eb0db720b1.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/main-app-51fea67a42d04a80.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found














script
src
/_next/static/chunks/polyfills-c67a75d1b6f99dc8.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
Missing defer / async attribute.














script
src
/_next/static/chunks/webpack-7442df89ed0d83ab.js?dpl=dpl_u62k2qciF5PwzHY97VDfiYJYDSdx


1
ok
async attribute found













 

12. Html-Parsing via https://validator.w3.org/nu/

Small Code update, wait one minute

 

13. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net

 

QNr.DomainTypeNS used
1
net
NS
b.root-servers.net (2001:500:200::b)

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
2
root-dns.netcup.net
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: acns01.xaas.systems, acns02.xaas.systems, acns03.xaas.systems, acns04.xaas.systems, acns05.xaas.systems
3
second-dns.netcup.net
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: acns01.xaas.systems, acns02.xaas.systems, acns03.xaas.systems, acns04.xaas.systems, acns05.xaas.systems
4
third-dns.netcup.net
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: acns01.xaas.systems, acns02.xaas.systems, acns03.xaas.systems, acns04.xaas.systems, acns05.xaas.systems
5
systems
NS
k.root-servers.net (2001:7fd::1)

Answer: v0n0.nic.systems, v0n1.nic.systems, v0n2.nic.systems, v0n3.nic.systems, v2n0.nic.systems, v2n1.nic.systems
6
acns01.xaas.systems: 217.146.18.1, 2a00:11c0:aa1::1
NS
v0n0.nic.systems (2a01:8840:16::38)

Answer: acns05.xaas.systems
185.81.208.1, 2a00:11c0:1010::1

Answer: acns04.xaas.systems
213.227.191.1, 2803:ad80:aa1::1

Answer: acns03.xaas.systems
213.227.160.1, 2605:380:aa1::1

Answer: acns02.xaas.systems
188.172.248.1, 2a05:8900:aa1::1
7
root-dns.netcup.net: 46.38.225.225
A
acns01.xaas.systems (2a00:11c0:aa1::1)
8
root-dns.netcup.net: 2a03:4000:0:1::e1e1
AAAA
acns01.xaas.systems (2a00:11c0:aa1::1)
9
second-dns.netcup.net: 37.221.199.199
A
acns01.xaas.systems (2a00:11c0:aa1::1)
10
second-dns.netcup.net: 2a03:4000:2:24b::c7c7
AAAA
acns01.xaas.systems (2a00:11c0:aa1::1)
11
third-dns.netcup.net: 188.68.63.68
A
acns01.xaas.systems (2a00:11c0:aa1::1)
12
third-dns.netcup.net: 2a03:4001:0:106::3f44
AAAA
acns01.xaas.systems (2a00:11c0:aa1::1)

 

14. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
cname.vercel-dns.com
5
issue
globalsign.com
1
0

5
issue
letsencrypt.org
1
0

5
issue
sectigo.com
1
0
www.davidoff.immo



1
0
vercel-dns.com
5
issue
letsencrypt.org
1
0
davidoff.immo
0

no CAA entry found
1
0
immo
0

no CAA entry found
1
0
com
0

no CAA entry found
1
0

 

15. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
davidoff.immo
v=spf1 a mx -all
ok
1
0
www.davidoff.immo


1
0
cname.vercel-dns.com

ok
1
0
_acme-challenge.davidoff.immo
v=spf1 a mx include:mail.v2202009129352127231.happysrv.de ~all
missing entry or wrong length
1
0
_acme-challenge.www.davidoff.immo

Name Error - The domain name does not exist
1
0
_acme-challenge.cname.vercel-dns.com

Name Error - The domain name does not exist
1
0
_acme-challenge.davidoff.immo.davidoff.immo
v=spf1 a mx include:mail.v2202009129352127231.happysrv.de ~all
 perhaps wrong
1
0
_acme-challenge.www.davidoff.immo.davidoff.immo
v=spf1 a mx include:mail.v2202009129352127231.happysrv.de ~all
 perhaps wrong
1
0
_acme-challenge.www.davidoff.immo.www.davidoff.immo

Name Error - The domain name does not exist
1
0
_acme-challenge.cname.vercel-dns.com.cname.vercel-dns.com

Name Error - The domain name does not exist
1
0

 

16. DomainService - Entries

TypeDomainPrefValueDNS-errornum AnswersStatusDescription
MX

davidoff.immo
10
mail.v2202009129352127231.happysrv.de
01ok

A


45.142.176.92
01ok

CNAME


00ok

				 
			

				 
			
17. Cipher Suites
Summary
DomainIPPortnum CipherstimeStd.ProtocolForward Secrecy
davidoff.immo
76.76.21.21
443
4 Ciphers31.74 sec
0 without, 4 FS
100.00 %
www.davidoff.immo
76.76.21.142
443
4 Ciphers32.16 sec
0 without, 4 FS
100.00 %
www.davidoff.immo
76.76.21.164
443
4 Ciphers31.93 sec
0 without, 4 FS
100.00 %
Complete

3
12 Ciphers
4.00 Ciphers/Check		95.82 sec31.94 sec/Check
0 without, 12 FS
100.00 %

Details
DomainIPPortCipher (OpenSsl / IANA)
davidoff.immo
76.76.21.21
443
ECDHE-RSA-CHACHA20-POLY1305
 (Secure)
TLSv1.2
0xCC,0xA8
 FS
4 Ciphers, 

31.74 sec
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256

ECDH
RSA
CHACHA20/POLY1305(256)
AEAD




ECDHE-RSA-AES256-GCM-SHA384
 (Secure)
TLSv1.2
0xC0,0x30
 FS

TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384

ECDH
RSA
AESGCM(256)
AEAD




DHE-RSA-AES256-GCM-SHA384
 (Secure)
TLSv1.2
0x00,0x9F
 FS

TLS_DHE_RSA_WITH_AES_256_GCM_SHA384

DH
RSA
AESGCM(256)
AEAD




ECDHE-RSA-AES128-GCM-SHA256
 (Secure)
TLSv1.2
0xC0,0x2F
 FS

TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256

ECDH
RSA
AESGCM(128)
AEAD

www.davidoff.immo
76.76.21.142
443
ECDHE-RSA-CHACHA20-POLY1305
 (Secure)
TLSv1.2
0xCC,0xA8
 FS
4 Ciphers, 

32.16 sec
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256

ECDH
RSA
CHACHA20/POLY1305(256)
AEAD




ECDHE-RSA-AES256-GCM-SHA384
 (Secure)
TLSv1.2
0xC0,0x30
 FS

TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384

ECDH
RSA
AESGCM(256)
AEAD




DHE-RSA-AES256-GCM-SHA384
 (Secure)
TLSv1.2
0x00,0x9F
 FS

TLS_DHE_RSA_WITH_AES_256_GCM_SHA384

DH
RSA
AESGCM(256)
AEAD




ECDHE-RSA-AES128-GCM-SHA256
 (Secure)
TLSv1.2
0xC0,0x2F
 FS

TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256

ECDH
RSA
AESGCM(128)
AEAD


76.76.21.164
443
ECDHE-RSA-CHACHA20-POLY1305
 (Secure)
TLSv1.2
0xCC,0xA8
 FS
4 Ciphers, 

31.93 sec
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256

ECDH
RSA
CHACHA20/POLY1305(256)
AEAD




ECDHE-RSA-AES256-GCM-SHA384
 (Secure)
TLSv1.2
0xC0,0x30
 FS

TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384

ECDH
RSA
AESGCM(256)
AEAD




DHE-RSA-AES256-GCM-SHA384
 (Secure)
TLSv1.2
0x00,0x9F
 FS

TLS_DHE_RSA_WITH_AES_256_GCM_SHA384

DH
RSA
AESGCM(256)
AEAD




ECDHE-RSA-AES128-GCM-SHA256
 (Secure)
TLSv1.2
0xC0,0x2F
 FS

TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256

ECDH
RSA
AESGCM(128)
AEAD


				 
			
18. Portchecks



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



				 
			

				 
			

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