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



X

DNS-problem - authoritative Nameserver refused, not defined or timeout

Checked:
23.06.2022 11:02:35


Older results


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
info.trz.cz
CNAME
virtweb-fiu.trz.cz
yes
1
0

A
109.81.246.131
Trinec/Moravskoslezsky kraj/Czechia (CZ) - CZ.CZNET
No Hostname found
yes


www.info.trz.cz
CNAME
virtweb-fiu.trz.cz
yes
1
0

A
109.81.246.131
Trinec/Moravskoslezsky kraj/Czechia (CZ) - CZ.CZNET
No Hostname found
yes


*.trz.cz
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes


*.info.trz.cz
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



3 DNSKEY RR found



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



Public Key with Algorithm 8, KeyTag 20826, Flags 256



Public Key with Algorithm 8, KeyTag 47671, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 11.07.2022, 00:00:00 +, Signature-Inception: 20.06.2022, 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: cz
cz
1 DS RR in the parent zone found



DS with Algorithm 13, KeyTag 20237, DigestType 2 and Digest z/Dz7NvFKcHwAxuhhAv7g1hTuSCe0eUI//SEUde3eOI=



2 RRSIG RR to validate DS RR found



RRSIG-Owner cz., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 06.07.2022, 05:00:00 +, Signature-Inception: 23.06.2022, 04:00:00 +, KeyTag 47671, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 47671 used to validate the DS RRSet in the parent zone



2 DNSKEY RR found



Public Key with Algorithm 13, KeyTag 20237, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 13, KeyTag 60306, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner cz., Algorithm: 13, 1 Labels, original TTL: 3600 sec, Signature-expiration: 04.07.2022, 06:21:34 +, Signature-Inception: 20.06.2022, 04:51:34 +, KeyTag 20237, Signer-Name: cz



Status: Good - Algorithmus 13 and DNSKEY with KeyTag 20237 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 13, KeyTag 20237, DigestType 2 and Digest "z/Dz7NvFKcHwAxuhhAv7g1hTuSCe0eUI//SEUde3eOI=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: trz.cz
trz.cz
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 "6epb89mobn9sdt34b1opign2cgducblh" between the hashed NSEC3-owner "6epb89mobn9sdt34b1opign2cgducblh" and the hashed NextOwner "6epbcibpa24h46tj7qkii7bgj96n8qtp". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: No Bitmap? Validated: RRSIG-Owner 6epb89mobn9sdt34b1opign2cgducblh.cz., Algorithm: 13, 2 Labels, original TTL: 900 sec, Signature-expiration: 04.07.2022, 03:50:45 +, Signature-Inception: 20.06.2022, 02:20:45 +, KeyTag 60306, Signer-Name: cz



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 1051, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 52776, Flags 256



2 RRSIG RR to validate DNSKEY RR found



Fatal: Signature is expired



RRSIG-Owner trz.cz., Algorithm: 8, 2 Labels, original TTL: 3600 sec, Signature-expiration: 04.04.2022, 09:34:35 +, Signature-Inception: 05.03.2022, 09:34:35 +, KeyTag 1051, Signer-Name: trz.cz



RRSIG-Owner trz.cz., Algorithm: 8, 2 Labels, original TTL: 3600 sec, Signature-expiration: 04.04.2022, 09:34:35 +, Signature-Inception: 05.03.2022, 09:34:35 +, KeyTag 11238, Signer-Name: trz.cz



Fatal: Signature is expired



Error: DNSKEY 1051 signs DNSKEY RRset, but no confirming DS RR in the parent zone found. No chain of trust created.

Zone: info.trz.cz
info.trz.cz
0 DS RR in the parent zone found

Zone: www.info.trz.cz
www.info.trz.cz
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



3 DNSKEY RR found



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



Public Key with Algorithm 8, KeyTag 20826, Flags 256



Public Key with Algorithm 8, KeyTag 47671, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 11.07.2022, 00:00:00 +, Signature-Inception: 20.06.2022, 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: cz
cz
1 DS RR in the parent zone found



DS with Algorithm 13, KeyTag 20237, DigestType 2 and Digest z/Dz7NvFKcHwAxuhhAv7g1hTuSCe0eUI//SEUde3eOI=



2 RRSIG RR to validate DS RR found



RRSIG-Owner cz., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 06.07.2022, 05:00:00 +, Signature-Inception: 23.06.2022, 04:00:00 +, KeyTag 47671, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 47671 used to validate the DS RRSet in the parent zone



2 DNSKEY RR found



Public Key with Algorithm 13, KeyTag 20237, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 13, KeyTag 60306, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner cz., Algorithm: 13, 1 Labels, original TTL: 3600 sec, Signature-expiration: 04.07.2022, 06:21:34 +, Signature-Inception: 20.06.2022, 04:51:34 +, KeyTag 20237, Signer-Name: cz



Status: Good - Algorithmus 13 and DNSKEY with KeyTag 20237 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 13, KeyTag 20237, DigestType 2 and Digest "z/Dz7NvFKcHwAxuhhAv7g1hTuSCe0eUI//SEUde3eOI=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: trz.cz
trz.cz
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 "6epb89mobn9sdt34b1opign2cgducblh" between the hashed NSEC3-owner "6epb89mobn9sdt34b1opign2cgducblh" and the hashed NextOwner "6epbcibpa24h46tj7qkii7bgj96n8qtp". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: No Bitmap? Validated: RRSIG-Owner 6epb89mobn9sdt34b1opign2cgducblh.cz., Algorithm: 13, 2 Labels, original TTL: 900 sec, Signature-expiration: 04.07.2022, 03:50:45 +, Signature-Inception: 20.06.2022, 02:20:45 +, KeyTag 60306, Signer-Name: cz



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 1051, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 52776, Flags 256



2 RRSIG RR to validate DNSKEY RR found



Fatal: Signature is expired



RRSIG-Owner trz.cz., Algorithm: 8, 2 Labels, original TTL: 3600 sec, Signature-expiration: 04.04.2022, 09:34:35 +, Signature-Inception: 05.03.2022, 09:34:35 +, KeyTag 1051, Signer-Name: trz.cz



RRSIG-Owner trz.cz., Algorithm: 8, 2 Labels, original TTL: 3600 sec, Signature-expiration: 04.04.2022, 09:34:35 +, Signature-Inception: 05.03.2022, 09:34:35 +, KeyTag 11238, Signer-Name: trz.cz



Fatal: Signature is expired



Error: DNSKEY 1051 signs DNSKEY RRset, but no confirming DS RR in the parent zone found. No chain of trust created.

Zone: virtweb-fiu.trz.cz
virtweb-fiu.trz.cz
0 DS RR in the parent zone found



0 DNSKEY RR found




3. Name Servers

DomainNameserverNS-IP
trz.cz
  aeson.vitkovice.cz
176.67.229.196
Krnov/Moravskoslezsky kraj/Czechia (CZ) - VITKOVICE IT SOLUTIONS a.s.


  gate.trz.cz
109.81.245.2
Trinec/Moravskoslezsky kraj/Czechia (CZ) - O2 Czech Republic


  jason.vitkovice.cz
176.67.229.194
Krnov/Moravskoslezsky kraj/Czechia (CZ) - VITKOVICE IT SOLUTIONS a.s.

cz
  a.ns.nic.cz / dns-sgix-02.nic.cz


  b.ns.nic.cz / dns-netnod-01.nic.cz


  c.ns.nic.cz / dns-linx-dns01.nic.cz


  d.ns.nic.cz / dns-linx-dns02.nic.cz


virtweb-fiu.trz.cz
  gate.trz.cz
109.81.245.2
Trinec/Moravskoslezsky kraj/Czechia (CZ) - O2 Czech Republic

trz.cz
  aeson.vitkovice.cz
176.67.229.196
Krnov/Moravskoslezsky kraj/Czechia (CZ) - VITKOVICE IT SOLUTIONS a.s.


  gate.trz.cz
109.81.245.2
Trinec/Moravskoslezsky kraj/Czechia (CZ) - O2 Czech Republic


  jason.vitkovice.cz
176.67.229.194
Krnov/Moravskoslezsky kraj/Czechia (CZ) - VITKOVICE IT SOLUTIONS a.s.

cz
  a.ns.nic.cz / dns-cra-dns15.nic.cz


  b.ns.nic.cz / dns-netnod-01.nic.cz


  c.ns.nic.cz / dns-linx-dns01.nic.cz


  d.ns.nic.cz / dns-linx-dns02.nic.cz


4. SOA-Entries


Domain:cz
Zone-Name:cz
Primary:a.ns.nic.cz
Mail:hostmaster.nic.cz
Serial:1655974237
Refresh:900
Retry:300
Expire:604800
TTL:900
num Entries:4


Domain:trz.cz
Zone-Name:trz.cz
Primary:gate.trz.cz
Mail:pajo.trz.cz
Serial:2021050116
Refresh:14400
Retry:3600
Expire:1209600
TTL:3600
num Entries:3



Domain:cz
Zone-Name:cz
Primary:a.ns.nic.cz
Mail:hostmaster.nic.cz
Serial:1655974237
Refresh:900
Retry:300
Expire:604800
TTL:900
num Entries:4


Domain:trz.cz
Zone-Name:trz.cz
Primary:gate.trz.cz
Mail:pajo.trz.cz
Serial:2021050116
Refresh:14400
Retry:3600
Expire:1209600
TTL:3600
num Entries:3


Domain:virtweb-fiu.trz.cz
Zone-Name:trz.cz
Primary:gate.trz.cz
Mail:pajo.trz.cz
Serial:2021050116
Refresh:14400
Retry:3600
Expire:1209600
TTL:3600
num Entries:1


5. Screenshots

Startaddress: https://info.trz.cz, address used: https://info.trz.cz/, Screenshot created 2022-06-23 11:05:04 +00:0

Mobil (412px x 732px)

240 milliseconds

Screenshot mobile - https://info.trz.cz/
Mobil + Landscape (732px x 412px)

215 milliseconds

Screenshot mobile landscape - https://info.trz.cz/
Screen (1280px x 1680px)

525 milliseconds

Screenshot Desktop - https://info.trz.cz/

Mobile- and other Chrome-Checks

widthheight
visual Viewport396716
content Size4016988

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

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://info.trz.cz/
109.81.246.131
301
https://info.trz.cz/
Html is minified: 100.00 %
0.077
A
Date: Thu, 23 Jun 2022 09:04:03 GMT
Server: Apache
Location: https://info.trz.cz/
Content-Length: 228
Connection: close
Content-Type: text/html; charset=iso-8859-1

• http://www.info.trz.cz/
109.81.246.131
301
https://www.info.trz.cz/
Html is minified: 100.00 %
0.077
A
Date: Thu, 23 Jun 2022 09:04:03 GMT
Server: Apache
Location: https://www.info.trz.cz/
Content-Length: 232
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://info.trz.cz/
109.81.246.131 GZip used - 4095 / 21812 - 81.23 %
Inline-JavaScript (∑/total): 8/0 Inline-CSS (∑/total): 0/0
200

Html is minified: 144.73 %
3.470
I
Date: Thu, 23 Jun 2022 09:04:03 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubdomains; preload
Permissions-Policy: geolocation=(),midi=(),sync-xhr=(),microphone=(),camera=(),magnetometer=(),gyroscope=(),fullscreen=(self),payment=()
Last-Modified: Wed, 27 Apr 2022 11:30:48 GMT
ETag: "5534-5dda1241d8f60-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Referrer-Policy: strict-origin-when-cross-origin
X-Download-Options: noopen
Content-Security-Policy: upgrade-insecure-requests; frame-ancestors 'self';
Content-Length: 4095
Connection: close
Content-Type: text/html; charset=UTF-8

• https://www.info.trz.cz/
109.81.246.131 GZip used - 4095 / 21812 - 81.23 %
Inline-JavaScript (∑/total): 8/0 Inline-CSS (∑/total): 0/0
200

Html is minified: 144.73 %
3.450
N
Certificate error: RemoteCertificateNameMismatch
Date: Thu, 23 Jun 2022 09:04:07 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubdomains; preload
Permissions-Policy: geolocation=(),midi=(),sync-xhr=(),microphone=(),camera=(),magnetometer=(),gyroscope=(),fullscreen=(self),payment=()
Last-Modified: Wed, 27 Apr 2022 11:30:48 GMT
ETag: "5534-5dda1241d8f60-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Referrer-Policy: strict-origin-when-cross-origin
X-Download-Options: noopen
Content-Security-Policy: upgrade-insecure-requests; frame-ancestors 'self';
Content-Length: 4095
Connection: close
Content-Type: text/html; charset=UTF-8

• http://info.trz.cz/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
109.81.246.131
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
301
https://info.trz.cz/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Html is minified: 100.00 %
0.087
A
Visible Content: Moved Permanently The document has moved here .
Date: Thu, 23 Jun 2022 09:04:12 GMT
Server: Apache
Location: https://info.trz.cz/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Content-Length: 297
Connection: close
Content-Type: text/html; charset=iso-8859-1

• http://www.info.trz.cz/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
109.81.246.131
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
301
https://www.info.trz.cz/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Html is minified: 100.00 %
0.070
A
Visible Content: Moved Permanently The document has moved here .
Date: Thu, 23 Jun 2022 09:04:13 GMT
Server: Apache
Location: https://www.info.trz.cz/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Content-Length: 301
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://info.trz.cz/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 100.00 %
3.440
A
Not Found
Visible Content: Not Found The requested URL was not found on this server.
Date: Thu, 23 Jun 2022 09:04:18 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubdomains; preload
Permissions-Policy: geolocation=(),midi=(),sync-xhr=(),microphone=(),camera=(),magnetometer=(),gyroscope=(),fullscreen=(self),payment=()
Content-Length: 196
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://www.info.trz.cz/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 100.00 %
3.417
N
Not Found
Certificate error: RemoteCertificateNameMismatch
Visible Content: Not Found The requested URL was not found on this server.
Date: Thu, 23 Jun 2022 09:04:23 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubdomains; preload
Permissions-Policy: geolocation=(),midi=(),sync-xhr=(),microphone=(),camera=(),magnetometer=(),gyroscope=(),fullscreen=(self),payment=()
Content-Length: 196
Connection: close
Content-Type: text/html; charset=iso-8859-1

• https://109.81.246.131/
109.81.246.131 GZip used - 4095 / 21812 - 81.23 %
Inline-JavaScript (∑/total): 8/0 Inline-CSS (∑/total): 0/0
200

Html is minified: 144.73 %
3.456
N
Certificate error: RemoteCertificateNameMismatch
Date: Thu, 23 Jun 2022 09:04:13 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubdomains; preload
Permissions-Policy: geolocation=(),midi=(),sync-xhr=(),microphone=(),camera=(),magnetometer=(),gyroscope=(),fullscreen=(self),payment=()
Last-Modified: Wed, 27 Apr 2022 11:30:48 GMT
ETag: "5534-5dda1241d8f60-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Referrer-Policy: strict-origin-when-cross-origin
X-Download-Options: noopen
Content-Security-Policy: upgrade-insecure-requests; frame-ancestors 'self';
Content-Length: 4095
Connection: close
Content-Type: text/html; charset=UTF-8

7. Comments


1. General Results, most used to calculate the result

Aname "info.trz.cz" is subdomain, public suffix is ".cz", top-level-domain is ".cz", top-level-domain-type is "country-code", Country is Czechia, tld-manager is "CZ.NIC, z.s.p.o", num .cz-domains preloaded: 1408 (complete: 175327)
Agood: All ip addresses are public addresses
Warning: Only one ip address found: info.trz.cz has only one ip address.
Warning: Only one ip address found: www.info.trz.cz 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: info.trz.cz 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.info.trz.cz has no ipv6 address.
Agood: No asked Authoritative Name Server had a timeout
Agood: destination is https
AGood: No cookie sent via http.
Agood: every https has a Strict Transport Security Header
Agood: HSTS max-age is long enough, 63072000 seconds = 730 days
Agood: HSTS has includeSubdomains - directive
Agood: HSTS has preload directive
AExcellent: Main Domain is in the Google-Preload-List
AExcellent: Main Domain is in the Mozilla/Firefox-Preload-List
AHSTS-Preload-Status: Preloaded. 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)
Ahttp://info.trz.cz/ 109.81.246.131
301
https://info.trz.cz/
correct redirect http - https with the same domain name
Ahttp://www.info.trz.cz/ 109.81.246.131
301
https://www.info.trz.cz/
correct redirect http - https with the same domain name
CError - no preferred version www or non-www. Select one version as preferred version, then add a redirect https + not-preferred version to https + preferred version. Perhaps in your port 443 vHost something like "RewriteEngine on" + "RewriteCond %{SERVER_NAME} = example.com" + "ReWriteRule ^ https://www.example.com%{REQUEST_URI} [END,QSA,R=permanent]" (three rows, without the "). That should create a redirect https + example.com ⇒ https + www.example.com. Or switch both values to use the non-www version as your preferred version.
CError - more then one version with Http-Status 200. After all redirects, all users (and search engines) should see the same https url: Non-www or www, but not both with http status 200.
Ihttps://info.trz.cz/ 109.81.246.131
200

Content problems or problems with resources included - http links, files doesn't exist, different Content-Type definitions. Check the Html-Content - Part.
Ihttps://www.info.trz.cz/ 109.81.246.131
200

Content problems or problems with resources included - http links, files doesn't exist, different Content-Type definitions. Check the Html-Content - Part.
Nhttps://www.info.trz.cz/ 109.81.246.131
200

Error - Certificate isn't trusted, RemoteCertificateNameMismatch
Nhttps://www.info.trz.cz/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404

Error - Certificate isn't trusted, RemoteCertificateNameMismatch
Nhttps://109.81.246.131/ 109.81.246.131
200

Error - Certificate isn't trusted, RemoteCertificateNameMismatch
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 info.trz.cz, 1 ip addresses, 1 different http results.
Info: Checking all ip addresses of that domain without sending the hostname only one certificate found. Checking all ip addresses and sending the hostname only one certificate found. Both certificates are the same. So that domain doesn't require Server Name Indication (SNI), it's the primary certificate of that set of ip addresses.: Domain www.info.trz.cz, 1 ip addresses, 1 different http results.

2. DNS- and NameServer - Checks

AInfo:: 6 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 3 Name Servers.
AInfo:: 6 Queries complete, 4 with IPv6, 2 with IPv4.
Warning: Only some DNS Queries done via ipv6. IPv6 is the future, so the name servers of your name servers should have ipv6 addresses.
AGood: Some ip addresses of name servers found with the minimum of two DNS Queries. One to find the TLD-Zone, one to ask the TLD-Zone.aeson.vitkovice.cz (176.67.229.196), gate.trz.cz (109.81.245.2), aeson.vitkovice.cz (176.67.229.196)
AGood (1 - 3.0):: An average of 2.0 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 3 different Name Servers found: aeson.vitkovice.cz, gate.trz.cz, jason.vitkovice.cz, 2 Name Servers included in Delegation: gate.trz.cz, jason.vitkovice.cz, 3 Name Servers included in 1 Zone definitions: aeson.vitkovice.cz, gate.trz.cz, jason.vitkovice.cz, 1 Name Servers listed in SOA.Primary: gate.trz.cz.
AGood: Only one SOA.Primary Name Server found.: gate.trz.cz.
AGood: SOA.Primary Name Server included in the delegation set.: gate.trz.cz.
XFatal: Inconsistency 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.: aeson.vitkovice.cz (176.67.229.196): Delegation: gate.trz.cz, jason.vitkovice.cz, Zone: aeson.vitkovice.cz, gate.trz.cz, jason.vitkovice.cz. Name Servers defined in Zone, missing in Delegation: aeson.vitkovice.cz.
XFatal: Inconsistency 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.: aeson.vitkovice.cz (176.67.229.196): Delegation: gate.trz.cz, jason.vitkovice.cz, Zone: aeson.vitkovice.cz, gate.trz.cz, jason.vitkovice.cz. Name Servers defined in Zone, missing in Delegation: aeson.vitkovice.cz.
XFatal: Inconsistency 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.: gate.trz.cz (109.81.245.2): Delegation: gate.trz.cz, jason.vitkovice.cz, Zone: aeson.vitkovice.cz, gate.trz.cz, jason.vitkovice.cz. Name Servers defined in Zone, missing in Delegation: aeson.vitkovice.cz.
XFatal: Inconsistency 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.: gate.trz.cz (109.81.245.2): Delegation: gate.trz.cz, jason.vitkovice.cz, Zone: aeson.vitkovice.cz, gate.trz.cz, jason.vitkovice.cz. Name Servers defined in Zone, missing in Delegation: aeson.vitkovice.cz.
XFatal: Inconsistency 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.: jason.vitkovice.cz (176.67.229.194): Delegation: gate.trz.cz, jason.vitkovice.cz, Zone: aeson.vitkovice.cz, gate.trz.cz, jason.vitkovice.cz. Name Servers defined in Zone, missing in Delegation: aeson.vitkovice.cz.
XFatal: Inconsistency 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.: jason.vitkovice.cz (176.67.229.194): Delegation: gate.trz.cz, jason.vitkovice.cz, Zone: aeson.vitkovice.cz, gate.trz.cz, jason.vitkovice.cz. Name Servers defined in Zone, missing in Delegation: aeson.vitkovice.cz.
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.
AInfo: Ipv4-Subnet-list: 3 Name Servers, 2 different subnets (first Byte): 109., 176., 2 different subnets (first two Bytes): 109.81., 176.67., 2 different subnets (first three Bytes): 109.81.245., 176.67.229.
AGood: Name Server IPv4-addresses from different subnet 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
Nameserver doesn't pass all EDNS-Checks: jason.vitkovice.cz / 176.67.229.194: OP100: ok. FLAGS: fatal timeout. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: fatal timeout. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: jason.vitkovice.cz / 176.67.229.194: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
AGood: All SOA have the same Serial Number
Agood: CAA entries found, creating certificate is limited: geotrust.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: thawte.com is allowed to create certificates

3. Content- and Performance-critical Checks

AGood: All checks /.well-known/acme-challenge/random-filename without redirects answer with the expected http status 404 - Not Found. Creating a Letsencrypt certificate via http-01 challenge should work. If it doesn't work: Check your vHost configuration (apachectl -S, httpd -S, nginx -T). Every combination of port and ServerName / ServerAlias (Apache) or Server (Nginx) must be unique. Merge duplicated entries in one vHost. If you use an IIS, extensionless files must be allowed in the /.well-known/acme-challenge subdirectory. Create a web.config in that directory. Content: <configuration><system.webServer><staticContent><mimeMap fileExtension="." mimeType="text/plain" /></staticContent></system.webServer></configuration>. If you have a redirect http ⇒ https, that's ok, Letsencrypt follows such redirects to port 80 / 443 (same or other server). There must be a certificate. But the certificate may be expired, self signed or with a not matching domain name. Checking the validation file Letsencrypt ignores such certificate errors. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
AGood: Every https result with status 200 supports GZip.
https://info.trz.cz/ 109.81.246.131
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.info.trz.cz/ 109.81.246.131
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://109.81.246.131/ 109.81.246.131
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://info.trz.cz/ 109.81.246.131
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.info.trz.cz/ 109.81.246.131
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://109.81.246.131/ 109.81.246.131
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://info.trz.cz/ 109.81.246.131
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://www.info.trz.cz/ 109.81.246.131
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://109.81.246.131/ 109.81.246.131
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://info.trz.cz/ 109.81.246.131
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.: 8 script elements without defer/async.
https://www.info.trz.cz/ 109.81.246.131
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.: 8 script elements without defer/async.
https://109.81.246.131/ 109.81.246.131
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.: 8 script elements without defer/async.
AGood: All CSS / JavaScript files are sent with GZip. That reduces the content of the files. 24 external CSS / JavaScript files found
AGood: All images with internal compression not sent via GZip. Images (.png, .jpg) are already compressed, so an additional GZip isn't helpful. 24 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. 36 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), 0 with Cache-Control long enough, 36 complete.
Warning: Images with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 36 image files without Cache-Control-Header, 0 with Cache-Control, but no max-age, 0 with Cache-Control max-age too short (minimum 7 days), 0 with Cache-Control long enough, 36 complete.
AGood: All checked attribute values are enclosed in quotation marks (" or ').
AGood: All img-elements have a valid alt-attribute.: 36 img-elements found.
AGood: Domainname is not on the "Specially Designated Nationals And Blocked Persons List" (SDN). That's an US-list of individuals and companies owned or controlled by, or acting for or on behalf of, targeted countries. It also lists individuals, groups, and entities, such as terrorists and narcotics traffickers designated under programs that are not country-specific. Collectively, such individuals and companies are called "Specially Designated Nationals" or "SDNs." Their assets are blocked and U.S. persons are generally prohibited from dealing with them. So if a domain name is on that list, it's impossible to create a Letsencrypt certificate with that domain name. Check the list manual - https://www.treasury.gov/resource-center/sanctions/sdn-list/pages/default.aspx
https://info.trz.cz/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
3.440 seconds
Warning: 404 needs more then one second
https://www.info.trz.cz/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
3.417 seconds
Warning: 404 needs more then one second
ADuration: 159210 milliseconds, 159.210 seconds


8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
info.trz.cz
109.81.246.131
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
supported
ok
info.trz.cz
109.81.246.131
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
supported
ok
no http/2 via ALPN 
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
no http/2 via ALPN
No SNI required - domain included in main certificate
Tls.1.2
no Tls.1.1
no Tls.1.0
Chain - too much certificates, don't send root certificates
1CN=info.trz.cz

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

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


www.info.trz.cz
109.81.246.131
443
name does not match
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
supported
ok

www.info.trz.cz
109.81.246.131
443
name does not match
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
supported
ok
no http/2 via ALPN 
Tls.1.2
no Tls.1.1
no Tls.1.0
no http/2 via ALPN
Tls.1.2
no Tls.1.1
no Tls.1.0
Chain - too much certificates, don't send root certificates
1CN=info.trz.cz

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

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


info.trz.cz
info.trz.cz
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
supported
ok

info.trz.cz
info.trz.cz
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
supported
ok
no http/2 via ALPN 
Tls.1.2
no Tls.1.1
no Tls.1.0
no http/2 via ALPN
Tls.1.2
no Tls.1.1
no Tls.1.0
Chain - too much certificates, don't send root certificates
1CN=info.trz.cz

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

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


www.info.trz.cz
www.info.trz.cz
443
name does not match
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
supported
ok

www.info.trz.cz
www.info.trz.cz
443
name does not match
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
supported
ok
no http/2 via ALPN 
Tls.1.2
no Tls.1.1
no Tls.1.0
no http/2 via ALPN
Tls.1.2
no Tls.1.1
no Tls.1.0
Chain - too much certificates, don't send root certificates
1CN=info.trz.cz

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

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


109.81.246.131
109.81.246.131
443
name does not match
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
supported
ok

109.81.246.131
109.81.246.131
443
name does not match
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
supported
ok
no http/2 via ALPN 
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no http/2 via ALPN
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
Chain - too much certificates, don't send root certificates
1CN=info.trz.cz

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

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


9. Certificates

1.
1.
CN=info.trz.cz
02.06.2022
31.08.2022
expires in 61 days
info.trz.cz - 1 entry
1.
1.
CN=info.trz.cz
02.06.2022

31.08.2022
expires in 61 days
info.trz.cz - 1 entry

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0373BE32C8D1391E401C93668DF67521A592
Thumbprint:060221391682C7A557B90A5BE36C07334C7780F0
SHA256 / Certificate:u+vcmKUnWu8qSlyGp9wOTkEIY61o6y5NCoY7xwp4Azg=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):f6a22ef5e41252019f58c40f3778436ccf8119ccbf98954250d8dc6c5264d27f
SHA256 hex / Subject Public Key Information (SPKI):f6a22ef5e41252019f58c40f3778436ccf8119ccbf98954250d8dc6c5264d27f (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 1172 days


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

15.09.2025
expires in 1172 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 4721 days


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

04.06.2035
expires in 4721 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
3
3

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
3798571671
leaf cert
CN=R3, O=Let's Encrypt, C=US
2022-06-02 20:48:45
2022-08-31 20:48:44
info.trz.cz - 1 entries


3719728677
leaf cert
CN=R3, O=Let's Encrypt, C=US
2022-05-12 06:35:39
2022-08-10 06:35:38
info.trz.cz, www.info.trz.cz - 2 entries


3586259463
leaf cert
CN=R3, O=Let's Encrypt, C=US
2022-04-03 11:46:43
2022-07-02 11:46:42
info.trz.cz - 1 entries



2. Source crt.sh - old and new certificates, sometimes very slow - only certificates with "not after" > 2019 are listed

Issuerlast 7 daysactivenum Certs
CN=R3, O=Let's Encrypt, C=US
0 /0 new
3
12
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0 /0 new
0
5
CN=GeoTrust RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
0
1
1

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
6855841884
leaf cert
CN=R3, O=Let's Encrypt, C=US
2022-06-02 18:48:45
2022-08-31 18:48:44
info.trz.cz
1 entries


6713245929
leaf cert
CN=R3, O=Let's Encrypt, C=US
2022-05-12 04:35:39
2022-08-10 04:35:38
info.trz.cz, www.info.trz.cz
2 entries


6469102943
precert
CN=R3, O=Let's Encrypt, C=US
2022-04-03 09:46:43
2022-07-02 09:46:42
info.trz.cz
1 entries


6331454062
leaf cert
CN=R3, O=Let's Encrypt, C=US
2022-03-13 00:19:40
2022-06-10 23:19:39
info.trz.cz, www.info.trz.cz
2 entries


6109552493
leaf cert
CN=R3, O=Let's Encrypt, C=US
2022-02-02 07:18:54
2022-05-03 06:18:53
info.trz.cz
1 entries


5961058800
precert
CN=R3, O=Let's Encrypt, C=US
2022-01-12 00:22:41
2022-04-11 23:22:40
info.trz.cz, www.info.trz.cz
2 entries


5595241210
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-11-13 00:16:13
2022-02-11 00:16:12
info.trz.cz, www.info.trz.cz
2 entries


5211927369
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-09-13 14:15:36
2021-12-12 15:15:35
info.trz.cz, www.info.trz.cz
2 entries


4878858426
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-07-15 14:37:37
2021-10-13 14:37:36
info.trz.cz, www.info.trz.cz
2 entries


4536058298
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-05-16 11:53:55
2021-08-14 11:53:55
info.trz.cz, www.info.trz.cz
2 entries


4228077575
precert
CN=R3, O=Let's Encrypt, C=US
2021-03-17 09:44:44
2021-06-15 08:44:44
info.trz.cz, www.info.trz.cz
2 entries


3936561820
precert
CN=R3, O=Let's Encrypt, C=US
2021-01-16 10:24:56
2021-04-16 09:24:56
info.trz.cz, www.info.trz.cz
2 entries


3539219696
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-10-21 06:14:23
2021-01-19 07:14:23
info.trz.cz
1 entries


3109510223
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-07-19 14:15:17
2020-10-17 14:15:17
info.trz.cz
1 entries


3122393355
leaf cert
CN=GeoTrust RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
2020-07-01 22:00:00
2022-07-07 10:00:00
*.trz.cz, trz.cz
2 entries


2754466105
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-04-27 00:54:33
2020-07-26 00:54:33
info.trz.cz
1 entries


2428733136
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-02-05 07:07:38
2020-05-05 06:07:38
info.trz.cz
1 entries


2085914991
precert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-08 06:56:36
2020-02-06 06:56:36
info.trz.cz
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://info.trz.cz/
109.81.246.131
a

44

0


0
0
0


img

12
106,943 Bytes
0
12
0
0
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posta_outlook.html


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VPN_prvni_spusteni_EN.html


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2
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No Cache-Control header
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shortcut icon
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1
missing file
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0 Bytes






link
stylesheet
css/bootstrap.min.css
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1
ok
text/css, X-Content-Type-Options nosniff found

No Cache-Control - header
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Content loaded via url("...")

../fonts/glyphicons-halflings-regular.eot1
../fonts/glyphicons-halflings-regular.eot?#iefix1
../fonts/glyphicons-halflings-regular.svg#glyphicons_halflingsregular1
../fonts/glyphicons-halflings-regular.ttf1
../fonts/glyphicons-halflings-regular.woff1

link
stylesheet
css/flexslider.css
200

1
ok
text/css, X-Content-Type-Options nosniff found

No Cache-Control - header
GZip: 1403/3723 Bytes




local SRI possible, possible hash-values:

sha256-OtZGr2Joe5p5J2G6Wnc/tYP0noYtp4CeokDrZ9yuiCU=
sha384-7ZMqKeAlHYhgtCPiGZzsDv5svk2NDJsi8pxyyHL/McyWmcY+VuqdCk1DFYkf2d7D
sha512-iVEvO3IHl4OOqBvVxDtYrsScBM4qu/V7zV72Xt7e4AJ31OnThEP2TYXrFdOIhfoijZwEK1X1iU9tV2xs0zBnrw==

<link rel="stylesheet" href="css/flexslider.css" crossorigin="anonymous" integrity="sha256-OtZGr2Joe5p5J2G6Wnc/tYP0noYtp4CeokDrZ9yuiCU=" />



Content loaded via url("...")

../img/bg_direction_nav.png1

link
stylesheet
css/jquery.lightbox.css
200

1
ok
text/css, X-Content-Type-Options nosniff found

No Cache-Control - header
GZip: 809/1893 Bytes




local SRI possible, possible hash-values:

sha256-QliAfDb2X3ul99P7XYoGG+suI+DHp0xMXABg2LeV7A0=
sha384-ttFz/YanSBRSQUo4kOHOqFn55jvx2TEe2LTyS7rWfS+VgEW+L6o+Tg0YS9pWedA0
sha512-iBQXAV1o8dEGvTtTfXOk2bFHq9nFYMxuu9Aqgphm2C/bvPxVpSyYbBjg0qMVwnAVPRffBCXFfxDGhUlqrjTGuA==

<link rel="stylesheet" href="css/jquery.lightbox.css" crossorigin="anonymous" integrity="sha256-QliAfDb2X3ul99P7XYoGG+suI+DHp0xMXABg2LeV7A0=" />



Content loaded via url("...")

../images/close.png1
../images/loading.gif1
../images/next.png1
../images/previous.png1
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAIElEQVQ4T2NkYGDYDMRkA8ZRAxhGw4BhNAyA+WAYpAMAIFgLQfO9BoEAAAAASUVORK5CYII=1

link
stylesheet
css/templatemo_style.css
200

1
ok
text/css, X-Content-Type-Options nosniff found

No Cache-Control - header
GZip: 2382/12219 Bytes




local SRI possible, possible hash-values:

sha256-7p8lSYNutn4cpolVYXoUUIp2p99EHsHFfcDyGhgIr/g=
sha384-Jp2mD2tlx7OMTKcWmWQEdvxM/ry3eWzrlRfToQoEwlaGdFcPnKDuzOvE8N4AavQx
sha512-/WcvBUhgbnFyHuCT3TXYGricJMB9eC//bTBT9iTEMNKvUXmjodFxxTGDiqPp/yt5LMtVaTi4RDoNfOycTEcflg==

<link rel="stylesheet" href="css/templatemo_style.css" crossorigin="anonymous" integrity="sha256-7p8lSYNutn4cpolVYXoUUIp2p99EHsHFfcDyGhgIr/g=" />



Content loaded via url("...")

../images/templatemo_arrow.png1

meta

utf-8


1
ok








meta
author
Michal Walach


1
ok








meta
description



1
ok








meta
viewport
width=device-width, initial-scale=1.0


1
ok








script
src
js/bootstrap.min.js
200

1
ok
Missing defer / async attribute. application/javascript, X-Content-Type-Options nosniff found

No Cache-Control - header
GZip: 7619/29165 Bytes




local SRI possible, possible hash-values:

sha256-cTnYtDsxT8Z2Sk0ua9/j/zQbTgJ89nUFUVoJ/NNJVW8=
sha384-3qKn2EH0FpHHWeZ+BLviRveS+OkZtRIdeT5ipf2QaoTrEKjnRXhiqSgbFkRTAizS
sha512-glhZSHHh0Lpdx63TumbYbIyO3ertRGF1lat5gQW3YlXSZvSBpw2pEu/fxVVgU4wU7a+TosJJ9cGEr7AFU5XpNg==

<script src="js/bootstrap.min.js" crossorigin="anonymous" integrity="sha256-cTnYtDsxT8Z2Sk0ua9/j/zQbTgJ89nUFUVoJ/NNJVW8=" />




script
src
js/jquery.easing.min.js
200

1
ok
Missing defer / async attribute. application/javascript, X-Content-Type-Options nosniff found

No Cache-Control - header
GZip: 1826/6967 Bytes




local SRI possible, possible hash-values:

sha256-vW5W5/jvSSIgP9p76mX/LREqwpWnx4S6VkTEZUZElkM=
sha384-KeMwuwGHhNF2wLIf38PQm+1nL1+qPBFHOy/7+Igs7e/86qxAnmR2LAjN8/Xok5fc
sha512-58vlEhHCNpWNRtQ+om1E50IzKOomaenH5csVDHfGbYKnO5Nj93tlcZeaKo8FhW1FM8x1u2bzA6MmW7s+u0UoJg==

<script src="js/jquery.easing.min.js" crossorigin="anonymous" integrity="sha256-vW5W5/jvSSIgP9p76mX/LREqwpWnx4S6VkTEZUZElkM=" />




script
src
js/jquery.flexslider.js
200

1
ok
Missing defer / async attribute. application/javascript, X-Content-Type-Options nosniff found

No Cache-Control - header
GZip: 9043/41110 Bytes




local SRI possible, possible hash-values:

sha256-Uw2YigDygH0Nz4Km0Qz3dcuEEbVfTv7W3EM9u6IkByw=
sha384-R3mxiRq30EUOaV449y+mHhB+Qr8NAeGxxRSF5CAKT6ZL8waPZERwVmstAztPrg3M
sha512-3A47v+uQNO7nqFZ+NmwtQ4Kk2QFmsh1v/JrfKL+PKf3HwLI9Q9Lrwj98/Pj5Jn43d8QbL8IJ8CSYOYHmv7/qbg==

<script src="js/jquery.flexslider.js" crossorigin="anonymous" integrity="sha256-Uw2YigDygH0Nz4Km0Qz3dcuEEbVfTv7W3EM9u6IkByw=" />




script
src
js/jquery.lightbox.min.js
200

1
ok
Missing defer / async attribute. application/javascript, X-Content-Type-Options nosniff found

No Cache-Control - header
GZip: 1405/3462 Bytes




local SRI possible, possible hash-values:

sha256-U+J5c766cPFb2VhRUUC3S7EK1Q9FAvnpdVnrLrsOnA0=
sha384-OrnHuHa1SZhCvYJWsUIp7LG4Fuc3u0/m3MwMmf4/WQtPijMXN/EZeqLYBPgioOQ+
sha512-mAlHbTztARI4jqc8bZdEyM6s2dLeFY2IyppKyiV9f+KD4aJDGIDZFZSMJnSNPrvJL/+3K5FUcZvNCkaidg6hMQ==

<script src="js/jquery.lightbox.min.js" crossorigin="anonymous" integrity="sha256-U+J5c766cPFb2VhRUUC3S7EK1Q9FAvnpdVnrLrsOnA0=" />




script
src
js/jquery.min.js
200

1
ok
Missing defer / async attribute. application/javascript, X-Content-Type-Options nosniff found

No Cache-Control - header
GZip: 85119/288580 Bytes




local SRI possible, possible hash-values:

sha256-H+K7U5CnXl1h5ywQfKtSj8PCmoN9aaq30gDh27Xc0jk=
sha384-S58meLBGKxIiQmJ/pJ8ilvFUcGcqgla+mWH9EEKGm6i6rKxSTA2kpXJQJ8n7XK4w
sha512-n/4gHW3atM3QqRcbCn6ewmpxcLAHGaDjpEBu4xZd47N0W2oQ+6q7oc3PXstrJYXcbNU1OHdQ1T7pAP+gi5Yu8g==

<script src="js/jquery.min.js" crossorigin="anonymous" integrity="sha256-H+K7U5CnXl1h5ywQfKtSj8PCmoN9aaq30gDh27Xc0jk=" />




script
src
js/jquery.scrollto.min.js
200

1
ok
Missing defer / async attribute. application/javascript, X-Content-Type-Options nosniff found

No Cache-Control - header
GZip: 1300/2584 Bytes




local SRI possible, possible hash-values:

sha256-m5KSVLX+9VbS/XOpoicncH0ALy54Sl+jngRV1u1zAto=
sha384-/1P5blH6blCAJeD/WEDWYxtTRUwBkPUzNVPq6CZzF7/Hlju22aBjqQyOoHikktOJ
sha512-QTbjRkv2dNYbpHRod6fGYSIIHY2YtKEB3lsP9ngxYo0eABz+oo5GsI2BJBL5lHwrSMp/mR3qoHaBnyayimeQjg==

<script src="js/jquery.scrollto.min.js" crossorigin="anonymous" integrity="sha256-m5KSVLX+9VbS/XOpoicncH0ALy54Sl+jngRV1u1zAto=" />




script
src
js/jquery.singlePageNav.min.js
200

1
ok
Missing defer / async attribute. application/javascript, X-Content-Type-Options nosniff found

No Cache-Control - header
GZip: 1077/2545 Bytes




local SRI possible, possible hash-values:

sha256-3ZK1sSC1tr9j9QxDWjczU86jKr3SbQ3MQA+qU6Tg74w=
sha384-d+K5dGBpCJCclEWTq7GX2+LaelNw+P81Zv592jTgd9syH7Dq8ayYQxtOo9EefJwd
sha512-ynkxPOnRL0WkMHlCICL/Nj1E6dz0+Ue6Dp0ZUxggeTHByymV9y0NpzTtSYuPTiPFteLt1G4ukz6HP05Ze6Bo8w==

<script src="js/jquery.singlePageNav.min.js" crossorigin="anonymous" integrity="sha256-3ZK1sSC1tr9j9QxDWjczU86jKr3SbQ3MQA+qU6Tg74w=" />




script
src
js/templatemo_script.js
200

1
ok
Missing defer / async attribute. application/javascript, X-Content-Type-Options nosniff found

No Cache-Control - header
GZip: 955/2799 Bytes




local SRI possible, possible hash-values:

sha256-4I+gnt2l+pUTLN+9lRzU+qmh6xV8DJhzJbHXSNybQsI=
sha384-aOZZk66Up7DKywxeENGeqTvRd3W+slrt6jWhRrDPJt7LUeSg09cWcLsPX2U5lkkJ
sha512-BeE+J3untWXhoft126AlpOr1cflIO/IZ/intGR0Uga8LuuKoyJLPee9qGMuuuJswcC7YBSagQUYTlWbsszSS1g==

<script src="js/templatemo_script.js" crossorigin="anonymous" integrity="sha256-4I+gnt2l+pUTLN+9lRzU+qmh6xV8DJhzJbHXSNybQsI=" />



https://109.81.246.131/
109.81.246.131
a

#


3
ok








a

#templatemo_cenik


2
ok








a

#templatemo_contact


2
ok








a

#templatemo_internet


2
ok








a

#templatemo_microsoft365


2
ok








a

#templatemo_posta


2
ok








a

#templatemo_uvod


2
ok








a

#templatemo_vpn


2
ok








a

#templatemo_vpn_en


2
ok








a

Ceník_1.1.2016.pdf


1
ok








a

cenik_internet_2022.pdf


2
ok








a

https://docs.microsoft.com/cs-CZ/microsoft-365/admin/add-users/let-users-reset-passwords?view=o365-worldwide


1
ok








a

https://docs.microsoft.com/cs-CZ/microsoft-365/admin/add-users/reset-passwords?view=o365-worldwide


1
ok








a

https://docs.microsoft.com/cs-CZ/microsoft-365/admin/admin-video-library?view=o365-worldwide


1
ok








a

https://support.microsoft.com/cs-cz/office/%C3%BAvodn%C3%AD-p%C5%99%C3%ADru%C4%8Dky-k-office-25f909da-3e76-443d-94f4-6cdf7dedc51e


2
ok








a

https://support.microsoft.com/cs-cz/office/pr%C3%A1ce-na-d%C3%A1lku-s-microsoftem-365-164946c8-a47a-470e-a0b4-feb12a2eea04


1
ok








a

https://support.microsoft.com/cs-cz/office/spolupr%C3%A1ce-odkudkoli-pomoc%C3%AD-microsoftu-365-ac05a41e-0b49-4420-9ebc-190ee4e744f4


1
ok








a

https://support.microsoft.com/cs-cz/office/vyzkou%C5%A1ejte-si-pr%C3%A1ci-se-%C5%A1ablonami-0865d155-bd36-407a-82be-929f2cd76f26


1
ok








a

https://www.vectorstock.com/royalty-free-vector/envelope-with-card-vector-769528


1
ok








a

https://www.vectorstock.com/royalty-free-vector/privacy-data-protection-and-internet-vpn-shield-vector-19322564


1
ok








a

https://www.vectorstock.com/royalty-free-vector/visit-internet-online-or-www-web-page-flat-icon-vector-33678686


1
ok








a

internet.html


1
ok








a

posta_outlook.html


1
ok








a

posta_thunderbird.html


1
ok








a

VPN_instalace_nastaveni.html


1
ok








a

VPN_instalace_nastaveni_EN.html


1
ok








a

VPN_prvni_spusteni.html


2
ok








a

VPN_prvni_spusteni_EN.html


2
ok








a

VPN_standartni_spusteni.html


1
ok








a

VPN_standartni_spusteni_EN.html


1
ok








img
src
images/document.png


1
ok
alt: image 1








img
src
images/document.png


1
ok
alt: image 2








img
src
images/email.png


1
ok
alt: image 1








img
src
images/email.png


1
ok
alt: image 2








img
src
images/internet_logo2.png


1
ok
alt: image 1








img
src
images/logo_TZ.png


1
ok
alt: tamarillo








img
src
images/VPN_logo.png


2
ok
alt: image 1








img
src
images/VPN_logo.png


2
ok
alt: image 2








img
src
images/VPN_logo.png


2
ok
alt: image 3








link
shortcut icon
images/templatemo_favicon.ico


1
ok








link
stylesheet
css/bootstrap.min.css


1
ok








link
stylesheet
css/flexslider.css


1
ok








link
stylesheet
css/jquery.lightbox.css


1
ok








link
stylesheet
css/templatemo_style.css


1
ok








meta

utf-8


1
ok








meta
author
Michal Walach


1
ok








meta
description



1
ok








meta
viewport
width=device-width, initial-scale=1.0


1
ok








script
src
js/bootstrap.min.js


1
ok
Missing defer / async attribute.








script
src
js/jquery.easing.min.js


1
ok
Missing defer / async attribute.








script
src
js/jquery.flexslider.js


1
ok
Missing defer / async attribute.








script
src
js/jquery.lightbox.min.js


1
ok
Missing defer / async attribute.








script
src
js/jquery.min.js


1
ok
Missing defer / async attribute.








script
src
js/jquery.scrollto.min.js


1
ok
Missing defer / async attribute.








script
src
js/jquery.singlePageNav.min.js


1
ok
Missing defer / async attribute.








script
src
js/templatemo_script.js


1
ok
Missing defer / async attribute.








12. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: aeson.vitkovice.cz, gate.trz.cz, jason.vitkovice.cz

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

Answer: a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz
2
aeson.vitkovice.cz: 176.67.229.196
NS
a.ns.nic.cz (2001:678:f::1)

Answer: ns2.vitkovice.cz
185.252.90.21
3
gate.trz.cz: 109.81.245.2
NS
a.ns.nic.cz (2001:678:f::1)
4
jason.vitkovice.cz
NS
a.ns.nic.cz (2001:678:f::1)

Answer: aeson.vitkovice.cz, ns2.vitkovice.cz

Answer: aeson.vitkovice.cz
176.67.229.196

Answer: ns2.vitkovice.cz
185.252.90.21
5
jason.vitkovice.cz: 176.67.229.194
A
aeson.vitkovice.cz (176.67.229.196)
6
jason.vitkovice.cz: No AAAA record found
AAAA
aeson.vitkovice.cz (176.67.229.196)


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
virtweb-fiu.trz.cz
0

no CAA entry found
1
0
www.info.trz.cz



1
0
info.trz.cz



1
0
trz.cz
32773
issue
geotrust.com
1
0

32773
issue
geotrust.com
1
0

32773
issue
letsencrypt.org
1
0

32773
issue
letsencrypt.org
1
0

32773
issue
thawte.com
1
0

32773
issue
thawte.com
1
0
cz
0

no CAA entry found
1
0

0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
trz.cz
MS=ms95739276
ok
1
0
trz.cz
v=spf1 ip4:109.81.245.0/24 include:spf.protection.outlook.com -all
ok
1
0
info.trz.cz


1
0
www.info.trz.cz


1
0
_acme-challenge.info.trz.cz

Name Error - The domain name does not exist
1
0
_acme-challenge.www.info.trz.cz

Name Error - The domain name does not exist
1
0
_acme-challenge.virtweb-fiu.trz.cz

Name Error - The domain name does not exist
1
0
_acme-challenge.info.trz.cz.trz.cz

Name Error - The domain name does not exist
1
0
_acme-challenge.info.trz.cz.info.trz.cz

Name Error - The domain name does not exist
1
0
_acme-challenge.www.info.trz.cz.info.trz.cz

Name Error - The domain name does not exist
1
0
_acme-challenge.www.info.trz.cz.www.info.trz.cz

Name Error - The domain name does not exist
1
0
_acme-challenge.virtweb-fiu.trz.cz.virtweb-fiu.trz.cz

Name Error - The domain name does not exist
1
0


15. Portchecks

No Port checks



Permalink: https://check-your-website.server-daten.de/?i=48f2a6e3-2307-49f1-9635-c9a940138254


Last Result: https://check-your-website.server-daten.de/?q=info.trz.cz - 2022-06-23 11:02:35


Do you like this page? Support this tool, add a link on your page:

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