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




N

No trusted Certificate

Checked:
15.05.2024 21:16:45


Older results


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
vpn.rzo.com
A
204.156.166.122
Milford/Pennsylvania/United States (US) - Fusion Voice and Data Corp.
Hostname: 204-156-166-122.zone1.ny.fusionnetworks.net
yes
1
0

AAAA

yes


www.vpn.rzo.com

Name Error
yes
1
0
*.rzo.com
A
192.185.110.88
yes



AAAA

yes



CNAME

yes


*.vpn.rzo.com
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes



2. DNSSEC

Zone (*)DNSSEC - Informations

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



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



Status: Valid because published



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 5613, Flags 256



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



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 01.06.2024, 00:00:00 +, Signature-Inception: 11.05.2024, 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 13, KeyTag 19718, DigestType 2 and Digest isuwzSj0ElCoCkkTiUJNNBUi2Uaw2gwCkfLT13HXgFo=



1 RRSIG RR to validate DS RR found



RRSIG-Owner com., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 28.05.2024, 17:00:00 +, Signature-Inception: 15.05.2024, 16:00:00 +, KeyTag 5613, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 5613 used to validate the DS RRSet in the parent zone



2 DNSKEY RR found



Public Key with Algorithm 13, KeyTag 956, Flags 256



Public Key with Algorithm 13, KeyTag 19718, Flags 257 (SEP = Secure Entry Point)



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner com., Algorithm: 13, 1 Labels, original TTL: 86400 sec, Signature-expiration: 22.05.2024, 14:02:35 +, Signature-Inception: 07.05.2024, 13:57:35 +, KeyTag 19718, Signer-Name: com



Status: Good - Algorithmus 13 and DNSKEY with KeyTag 19718 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 13, KeyTag 19718, DigestType 2 and Digest "isuwzSj0ElCoCkkTiUJNNBUi2Uaw2gwCkfLT13HXgFo=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: rzo.com
rzo.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 "59jua5llf2icrq69veb31vsn2rtbs83r" between the hashed NSEC3-owner "59ju62qq168gj7joq67r27kbv0efvnei" and the hashed NextOwner "59jug59k3p6l3jbebpbhgrbtqucc918v". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner 59ju62qq168gj7joq67r27kbv0efvnei.com., Algorithm: 13, 2 Labels, original TTL: 86400 sec, Signature-expiration: 20.05.2024, 05:08:27 +, Signature-Inception: 13.05.2024, 03:58:27 +, KeyTag 956, 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 "rzo.com". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner ck0pojmg874ljref7efn8430qvit8bsm.com., Algorithm: 13, 2 Labels, original TTL: 86400 sec, Signature-expiration: 20.05.2024, 04:25:01 +, Signature-Inception: 13.05.2024, 03:15:01 +, KeyTag 956, Signer-Name: com



0 DNSKEY RR found




Zone: vpn.rzo.com
vpn.rzo.com
0 DS RR in the parent zone found



0 DNSKEY RR found




Zone: www.vpn.rzo.com
www.vpn.rzo.com
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.vpn.rzo.com
  ns95.worldnic.com

vpn.rzo.com
  ns95.worldnic.com / 67m45
162.159.26.217
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.

rzo.com
  ns95.worldnic.com / 67m35
162.159.26.217
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.


  ns96.worldnic.com / 67m46
162.159.27.155
Toronto/Ontario/Canada (CA) - Cloudflare, Inc.

com
  a.gtld-servers.net / nnn1-par6


  b.gtld-servers.net / nnn1-elwaw4


  c.gtld-servers.net / nnn1-par6


  d.gtld-servers.net / nnn1-par6


  e.gtld-servers.net / nnn1-par6


  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-ein3


  k.gtld-servers.net / nnn1-ein4


  l.gtld-servers.net / nnn1-ein3


  m.gtld-servers.net / nnn1-frmrs-2


4. SOA-Entries


Domain:com
Zone-Name:com
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1715800579
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:5


Domain:com
Zone-Name:com
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1715800594
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:8


Domain:rzo.com
Zone-Name:rzo.com
Primary:ns95.worldnic.com
Mail:namehost.WORLDNIC.com
Serial:120071723
Refresh:10800
Retry:3600
Expire:604800
TTL:3600
num Entries:2


Domain:vpn.rzo.com
Zone-Name:rzo.com
Primary:ns95.worldnic.com
Mail:namehost.WORLDNIC.com
Serial:120071723
Refresh:10800
Retry:3600
Expire:604800
TTL:3600
num Entries:1


Domain:www.vpn.rzo.com
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


5. Screenshots

Startaddress: https://vpn.rzo.com/, address used: https://vpn.rzo.com/+CSCOE+/logon.html#form_title_text, Screenshot created 2024-05-15 21:20:14 +00:0 url is insecure, certificate invalid

Mobil (412px x 732px)

1169 milliseconds

Screenshot mobile - https://vpn.rzo.com/+CSCOE+/logon.html#form_title_text
Mobil + Landscape (732px x 412px)

1172 milliseconds

Screenshot mobile landscape - https://vpn.rzo.com/+CSCOE+/logon.html#form_title_text
Screen (1280px x 1680px)

1268 milliseconds

Screenshot Desktop - https://vpn.rzo.com/+CSCOE+/logon.html#form_title_text

Mobile- and other Chrome-Checks

widthheight
visual Viewport412716
content Size504716

Fatal: Horizontal scrollbar detected. Content-size width is greater then visual Viewport width.

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://vpn.rzo.com/
204.156.166.122
-14

10.027
T
Timeout - The operation has timed out.

• https://vpn.rzo.com/
204.156.166.122 No GZip used - 225 / 315 - 71.43 % possible
Inline-JavaScript (∑/total): 1/241 Inline-CSS (∑/total): 0/0
200

Html is minified: 2250.00 %
3.923
N
Certificate error: RemoteCertificateChainErrors
Transfer-Encoding: chunked
Cache-Control: no-cache
Pragma: no-cache
Connection: Keep-Alive
Date: Wed, 15 May 2024 19:17:39 GMT
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=31536000; includeSubDomains
Set-Cookie: webvpn=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, webvpn_as=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, webvpnc=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, webvpn_portal=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, webvpnSharePoint=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, samlPreauthSessionHash=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, acSamlv2Token=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, acSamlv2Error=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, webvpnlogin=1; path=/; secure
Content-Type: text/html; charset=utf-8

• http://vpn.rzo.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
204.156.166.122
-14

10.013
T
Timeout - The operation has timed out.
Visible Content:

• https://204.156.166.122/
204.156.166.122 No GZip used - 225 / 315 - 71.43 % possible
Inline-JavaScript (∑/total): 1/241 Inline-CSS (∑/total): 0/0
200

Html is minified: 2250.00 %
3.880
N
Certificate error: RemoteCertificateNameMismatch, RemoteCertificateChainErrors
Transfer-Encoding: chunked
Cache-Control: no-cache
Pragma: no-cache
Connection: Keep-Alive
Date: Wed, 15 May 2024 19:17:53 GMT
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=31536000; includeSubDomains
Set-Cookie: webvpn=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, webvpn_as=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, webvpnc=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, webvpn_portal=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, webvpnSharePoint=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, samlPreauthSessionHash=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, acSamlv2Token=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, acSamlv2Error=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure, webvpnlogin=1; path=/; secure
Content-Type: text/html; charset=utf-8

7. Comments


1. General Results, most used to calculate the result

Aname "vpn.rzo.com" is subdomain, public suffix is ".com", top-level-domain is ".com", top-level-domain-type is "generic", tld-manager is "VeriSign Global Registry Services", num .com-domains preloaded: 94244 (complete: 244198)
AGood: All ip addresses are public addresses
Warning: Only one ip address found: vpn.rzo.com 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: vpn.rzo.com has no ipv6 address.
AGood: No asked Authoritative Name Server had a timeout
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
AGood: destination is https
AGood - only one version with Http-Status 200
AGood: one preferred version: non-www is preferred
AGood: every cookie sent via https is marked as secure
AGood: every https has a Strict Transport Security Header
AGood: HSTS max-age is long enough, 31536000 seconds = 365 days
AGood: HSTS has includeSubdomains - directive
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)
Bhttps://vpn.rzo.com/ 204.156.166.122
200
webvpn=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://vpn.rzo.com/ 204.156.166.122
200
webvpn_as=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://vpn.rzo.com/ 204.156.166.122
200
webvpnc=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://vpn.rzo.com/ 204.156.166.122
200
webvpn_portal=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://vpn.rzo.com/ 204.156.166.122
200
webvpnSharePoint=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://vpn.rzo.com/ 204.156.166.122
200
samlPreauthSessionHash=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://vpn.rzo.com/ 204.156.166.122
200
acSamlv2Token=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://vpn.rzo.com/ 204.156.166.122
200
acSamlv2Error=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://vpn.rzo.com/ 204.156.166.122
200
webvpnlogin=1; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://204.156.166.122/ 204.156.166.122
200
webvpn=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://204.156.166.122/ 204.156.166.122
200
webvpn_as=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://204.156.166.122/ 204.156.166.122
200
webvpnc=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://204.156.166.122/ 204.156.166.122
200
webvpn_portal=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://204.156.166.122/ 204.156.166.122
200
webvpnSharePoint=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://204.156.166.122/ 204.156.166.122
200
samlPreauthSessionHash=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://204.156.166.122/ 204.156.166.122
200
acSamlv2Token=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://204.156.166.122/ 204.156.166.122
200
acSamlv2Error=; expires=Thu, 01 Jan 1970 22:00:00 GMT; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://204.156.166.122/ 204.156.166.122
200
webvpnlogin=1; path=/; secure
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Nhttps://vpn.rzo.com/ 204.156.166.122
200

Error - Certificate isn't trusted, RemoteCertificateChainErrors
Nhttps://204.156.166.122/ 204.156.166.122
200

Error - Certificate isn't trusted, RemoteCertificateNameMismatch, RemoteCertificateChainErrors
Ovpn.rzo.com / 204.156.166.122 / 443


Old connection: Cipher Suites without Forward Secrecy (FS) found. Remove all of these Cipher Suites, use only Cipher Suites with Forward Secrecy: Starting with ECDHE- or DHE - the last "E" says: "ephemeral". Or use Tls.1.3, then all Cipher Suites use FS. 6 Cipher Suites without Forward Secrecy found
Info: Checking all ip addresses of that domain without sending the hostname only one certificate found. Checking all ip addresses and sending the hostname only one certificate found. Both certificates are the same. So that domain doesn't require Server Name Indication (SNI), it's the primary certificate of that set of ip addresses.: Domain vpn.rzo.com, 1 ip addresses, 1 different http results.
BNo _mta-sts TXT record found (mta-sts: Mail Transfer Agent Strict Transport Security - see RFC 8461). Read the result of server-daten.de (Url-Checks, Comments, Connections and DomainServiceRecords) to see a complete definition. Domainname: _mta-sts.vpn.rzo.com

2. Header-Checks

Avpn.rzo.com 204.156.166.122
X-Frame-Options
Ok: Header without syntax errors found: SAMEORIGIN
B

Info: Header is deprecated. May not longer work in modern browsers. SAMEORIGIN. Better solution: Use a Content-Security-Policy Header with a frame-ancestors directive. DENY - use 'none', SAMEORIGIN - use 'self'. If you want to allow some domains to frame your page, add these urls.
Fvpn.rzo.com 204.156.166.122
Content-Security-Policy
Critical: Missing Header:
Fvpn.rzo.com 204.156.166.122
X-Content-Type-Options
Critical: Missing Header:
Fvpn.rzo.com 204.156.166.122
Referrer-Policy
Critical: Missing Header:
Fvpn.rzo.com 204.156.166.122
Permissions-Policy
Critical: Missing Header:

3. DNS- and NameServer - Checks

AInfo:: 7 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 2 Name Servers.
AInfo:: 7 Queries complete, 7 with IPv6, 0 with IPv4.
AGood: All DNS Queries done via IPv6.
Ok (4 - 8):: An average of 3.5 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 2 different Name Servers found: ns95.worldnic.com, ns96.worldnic.com, 2 Name Servers included in Delegation: ns95.worldnic.com, ns96.worldnic.com, 2 Name Servers included in 1 Zone definitions: ns95.worldnic.com, ns96.worldnic.com, 1 Name Servers listed in SOA.Primary: ns95.worldnic.com.
AGood: Only one SOA.Primary Name Server found.: ns95.worldnic.com.
AGood: SOA.Primary Name Server included in the delegation set.: ns95.worldnic.com.
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: ns95.worldnic.com, ns96.worldnic.com
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: 2 different Name Servers found
Warning: No Name Server IPv6 address found. IPv6 is the future, so your name servers should be visible via IPv6.: 2 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.: 2 Name Servers, 1 Top Level Domain: com
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: worldnic.com
Warning: All Name Servers from the same Country / IP location.: 2 Name Servers, 1 Countries: CA
AInfo: Ipv4-Subnet-list: 2 Name Servers, 1 different subnets (first Byte): 162., 1 different subnets (first two Bytes): 162.159., 2 different subnets (first three Bytes): 162.159.26., 162.159.27.
AGood: Name Server IPv4-addresses from different subnet found:
AGood: Nameserver supports TCP connections: 1 good Nameserver
AGood: Nameserver supports Echo Capitalization: 1 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 1 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 1 good Nameserver
Nameserver doesn't pass all EDNS-Checks: ns95.worldnic.com: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
AGood: All SOA have the same Serial Number
Warning: No CAA entry with issue/issuewild found, every CAA can create a certificate. Read https://en.wikipedia.org/wiki/DNS_Certification_Authority_Authorization to learn some basics about the idea of CAA. Your name server must support such an entry. Not all dns providers support CAA entries.

4. Content- and Performance-critical Checks

http://vpn.rzo.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 204.156.166.122
-14

Fatal: Check of /.well-known/acme-challenge/random-filename has a timeout. Creating a Letsencrypt certificate via http-01 challenge can't work. You need a running webserver (http) and an open port 80. If it's a home server + ipv4, perhaps a correct port forwarding port 80 extern ⇒ working port intern is required. Port 80 / http can redirect to another domain port 80 or port 443, but not other ports. If it's a home server, perhaps your ISP blocks port 80. Then you may use the dns-01 challenge. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
https://vpn.rzo.com/ 204.156.166.122
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://204.156.166.122/ 204.156.166.122
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://vpn.rzo.com/ 204.156.166.122
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://204.156.166.122/ 204.156.166.122
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://vpn.rzo.com/ 204.156.166.122
200

Warning: Https connections (Standard Port 443) found without support of the http/2 protocol via ALPN. Http/2 is the new Http-Version (old: http 1.1) with some important new features. Update your server software so http/2 is available. Only one TCP-connection per Server (that's a performance boost), Header-Compression and Server Pushs are available. Domain Sharding and Inline-CSS/Javascript shouldn't used with http/2.
https://204.156.166.122/ 204.156.166.122
200

Warning: Https connections (Standard Port 443) found without support of the http/2 protocol via ALPN. Http/2 is the new Http-Version (old: http 1.1) with some important new features. Update your server software so http/2 is available. Only one TCP-connection per Server (that's a performance boost), Header-Compression and Server Pushs are available. Domain Sharding and Inline-CSS/Javascript shouldn't used with http/2.
AInfo: No img element found, no alt attribute checked
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: 229086 milliseconds, 229.086 seconds


8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
vpn.rzo.com
204.156.166.122
443
Certificate/chain invalid
Tls12
ECDH Ephermal
256
Aes256
256
Sha384
not supported
ok
vpn.rzo.com
204.156.166.122
443
Certificate/chain invalid
Tls12

ECDH Ephermal
256
Aes256
256
Sha384
not supported
ok
no http/2 via ALPN 
Tls.1.2
Tls.1.1
Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
Tls.1.2
Tls.1.1
Tls.1.0
no Ssl3
no Ssl2
Self signed certificate
1CN=vpn.rzo.com, unstructuredName=RZOASA.RZO.com


204.156.166.122
204.156.166.122
443
Certificate/chain invalid and wrong name
Tls12
ECDH Ephermal
256
Aes256
256
Sha384
not supported
ok

204.156.166.122
204.156.166.122
443
Certificate/chain invalid and wrong name
Tls12

ECDH Ephermal
256
Aes256
256
Sha384
not supported
ok
no http/2 via ALPN 
Cert sent without SNI
Tls.1.2
Tls.1.1
Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
Cert sent without SNI
Tls.1.2
Tls.1.1
Tls.1.0
no Ssl3
no Ssl2
Self signed certificate
1CN=vpn.rzo.com, unstructuredName=RZOASA.RZO.com


9. Certificates

1.
1.
OID.1.2.840.113549.1.9.2=RZOASA.RZO.com, CN=vpn.rzo.com
28.09.2018
25.09.2028
expires in 1583 days

1.
1.
OID.1.2.840.113549.1.9.2=RZOASA.RZO.com, CN=vpn.rzo.com
28.09.2018

25.09.2028
expires in 1583 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:F58BAE5B
Thumbprint:71EDAD76FFCCF490B6F45990F84B095634E69B84
SHA256 / Certificate:foRBHQNnegBtBPcWAzYv5ax3h+gIbZsT3TDPQxa1Y1Q=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):aaa0b6ea05c517b3ef61c7990cac181aba34448df6e39fc003a92473d0b2c288
SHA256 hex / Subject Public Key Information (SPKI):e012065f019d8035770e06b11f9c2a8d1644ed1d417dd9d2cefe2ead36eec037 (is buggy, ignore the result)
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:

UntrustedRoot: A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.


10. Last Certificates - Certificate Transparency Log Check

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

No CertSpotter - CT-Log entries found


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

No CRT - CT-Log entries found


11. Html-Content - Entries

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


12. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: ns95.worldnic.com, ns96.worldnic.com

QNr.DomainTypeNS used
1
com
NS
d.root-servers.net (2001:500:2d::d)

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
ns95.worldnic.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: heidi.ns.cloudflare.com, rex.ns.cloudflare.com

Answer: rex.ns.cloudflare.com
108.162.195.13, 162.159.44.13, 172.64.35.13, 2606:4700:58::a29f:2c0d, 2803:f800:50::6ca2:c30d, 2a06:98c1:50::ac40:230d

Answer: heidi.ns.cloudflare.com
108.162.194.236, 162.159.38.236, 172.64.34.236, 2606:4700:50::a29f:26ec, 2803:f800:50::6ca2:c2ec, 2a06:98c1:50::ac40:22ec
3
ns96.worldnic.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: heidi.ns.cloudflare.com, rex.ns.cloudflare.com

Answer: rex.ns.cloudflare.com
108.162.195.13, 162.159.44.13, 172.64.35.13, 2606:4700:58::a29f:2c0d, 2803:f800:50::6ca2:c30d, 2a06:98c1:50::ac40:230d

Answer: heidi.ns.cloudflare.com
108.162.194.236, 162.159.38.236, 172.64.34.236, 2606:4700:50::a29f:26ec, 2803:f800:50::6ca2:c2ec, 2a06:98c1:50::ac40:22ec
4
ns95.worldnic.com: 162.159.26.217
A
heidi.ns.cloudflare.com (2606:4700:50::a29f:26ec)
5
ns95.worldnic.com: No AAAA record found
AAAA
heidi.ns.cloudflare.com (2606:4700:50::a29f:26ec)
6
ns96.worldnic.com: 162.159.27.155
A
heidi.ns.cloudflare.com (2606:4700:50::a29f:26ec)
7
ns96.worldnic.com: No AAAA record found
AAAA
heidi.ns.cloudflare.com (2606:4700:50::a29f:26ec)


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
vpn.rzo.com
0

no CAA entry found
1
0
rzo.com
0

no CAA entry found
1
0
com
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
rzo.com
0ed1fe018ac788d9d7800f47649c08dee06a32a0f8
ok
1
0
rzo.com
MS=ms47441714
ok
1
0
rzo.com
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com ~all
ok
1
0
vpn.rzo.com

ok
1
0
_acme-challenge.vpn.rzo.com

Name Error - The domain name does not exist
1
0
_acme-challenge.vpn.rzo.com.rzo.com

perhaps wrong
1
0
_acme-challenge.vpn.rzo.com.vpn.rzo.com

Name Error - The domain name does not exist
1
0


15. DomainService - Entries

No DomainServiceEntries entries found



16. Cipher Suites

DomainIPPortCipher (OpenSsl / IANA)
vpn.rzo.com
204.156.166.122
443
ECDHE-RSA-AES256-GCM-SHA384
(Secure)
TLSv1.2
0xC0,0x30
FS
16 Ciphers, 99.89 sec
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



DHE-RSA-AES128-GCM-SHA256
(Secure)
TLSv1.2
0x00,0x9E
FS

TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
DH
RSA
AESGCM(128)
AEAD



ECDHE-RSA-AES256-SHA384
(Weak)
TLSv1.2
0xC0,0x28
FS

TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
ECDH
RSA
AES(256)
SHA384



DHE-RSA-AES256-SHA256
(Weak)
TLSv1.2
0x00,0x6B
FS

TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
DH
RSA
AES(256)
SHA256



AES256-GCM-SHA384
(Weak)
TLSv1.2
0x00,0x9D
No FS

TLS_RSA_WITH_AES_256_GCM_SHA384
RSA
RSA
AESGCM(256)
AEAD



AES256-SHA256
(Weak)
TLSv1.2
0x00,0x3D
No FS

TLS_RSA_WITH_AES_256_CBC_SHA256
RSA
RSA
AES(256)
SHA256



ECDHE-RSA-AES128-SHA256
(Weak)
TLSv1.2
0xC0,0x27
FS

TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
ECDH
RSA
AES(128)
SHA256



DHE-RSA-AES128-SHA256
(Weak)
TLSv1.2
0x00,0x67
FS

TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
DH
RSA
AES(128)
SHA256



AES128-GCM-SHA256
(Weak)
TLSv1.2
0x00,0x9C
No FS

TLS_RSA_WITH_AES_128_GCM_SHA256
RSA
RSA
AESGCM(128)
AEAD



AES128-SHA256
(Weak)
TLSv1.2
0x00,0x3C
No FS

TLS_RSA_WITH_AES_128_CBC_SHA256
RSA
RSA
AES(128)
SHA256



DHE-RSA-AES256-SHA
(Weak)
SSLv3
0x00,0x39
FS

TLS_DHE_RSA_WITH_AES_256_CBC_SHA
DH
RSA
AES(256)
SHA1



AES256-SHA
(Weak)
SSLv3
0x00,0x35
No FS

TLS_RSA_WITH_AES_256_CBC_SHA
RSA
RSA
AES(256)
SHA1



DHE-RSA-AES128-SHA
(Weak)
SSLv3
0x00,0x33
FS

TLS_DHE_RSA_WITH_AES_128_CBC_SHA
DH
RSA
AES(128)
SHA1



AES128-SHA
(Weak)
SSLv3
0x00,0x2F
No FS

TLS_RSA_WITH_AES_128_CBC_SHA
RSA
RSA
AES(128)
SHA1


17. Portchecks

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



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