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





1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
fvl.vetuni.cz
A
195.113.198.43
Rakovnik/Central Bohemia/Czechia (CZ) - CESNET-TCZ
Hostname: fvl.vfu.cz
yes
1
0

AAAA

yes


www.fvl.vetuni.cz

Name Error
yes
1
0
*.vetuni.cz
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes


*.fvl.vetuni.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



2 DNSKEY RR found



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



Public Key with Algorithm 8, KeyTag 30903, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 02.03.2024, 00:00:00 +, Signature-Inception: 10.02.2024, 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: cz
cz
1 DS RR in the parent zone found



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



1 RRSIG RR to validate DS RR found



RRSIG-Owner cz., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 24.02.2024, 05:00:00 +, Signature-Inception: 11.02.2024, 04:00:00 +, KeyTag 30903, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 30903 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 47281, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner cz., Algorithm: 13, 1 Labels, original TTL: 3600 sec, Signature-expiration: 18.02.2024, 22:21:34 +, Signature-Inception: 04.02.2024, 20:51:34 +, 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: vetuni.cz
vetuni.cz
2 DS RR in the parent zone found



DS with Algorithm 13, KeyTag 14141, DigestType 2 and Digest yAb8MwT+wbPJGcM0N07XCbKiUKnCA0u+mzV9EAIZYb8=



DS with Algorithm 13, KeyTag 32555, DigestType 2 and Digest B5BB1AbemsZBthf5/JXd1ft+yHFF05eP0+N/4JrPj9s=



1 RRSIG RR to validate DS RR found



RRSIG-Owner vetuni.cz., Algorithm: 13, 2 Labels, original TTL: 3600 sec, Signature-expiration: 18.02.2024, 20:21:34 +, Signature-Inception: 04.02.2024, 18:51:34 +, KeyTag 47281, Signer-Name: cz



Status: Good - Algorithmus 13 and DNSKEY with KeyTag 47281 used to validate the DS RRSet in the parent zone



5 DNSKEY RR found



Public Key with Algorithm 13, KeyTag 6415, Flags 256



Public Key with Algorithm 13, KeyTag 14141, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 13, KeyTag 32555, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 13, KeyTag 33662, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 13, KeyTag 65434, Flags 256



2 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner vetuni.cz., Algorithm: 13, 2 Labels, original TTL: 3600 sec, Signature-expiration: 15.02.2024, 06:34:43 +, Signature-Inception: 08.02.2024, 05:34:43 +, KeyTag 6415, Signer-Name: vetuni.cz



RRSIG-Owner vetuni.cz., Algorithm: 13, 2 Labels, original TTL: 3600 sec, Signature-expiration: 15.02.2024, 06:34:43 +, Signature-Inception: 08.02.2024, 05:34:43 +, KeyTag 32555, Signer-Name: vetuni.cz



Status: Good - Algorithmus 13 and DNSKEY with KeyTag 6415 used to validate the DNSKEY RRSet



Status: Good - Algorithmus 13 and DNSKEY with KeyTag 32555 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 13, KeyTag 32555, DigestType 2 and Digest "B5BB1AbemsZBthf5/JXd1ft+yHFF05eP0+N/4JrPj9s=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: fvl.vetuni.cz
fvl.vetuni.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 "9e5kijpf14edqcsv2a8jnfvvnouqlt15" between the hashed NSEC3-owner "9e5kijpf14edqcsv2a8jnfvvnouqlt15" and the hashed NextOwner "a0petflqjcj5mjjvr9jd3e97n3kmqrv7". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: A, RRSIG Validated: RRSIG-Owner 9e5kijpf14edqcsv2a8jnfvvnouqlt15.vetuni.cz., Algorithm: 13, 3 Labels, original TTL: 7200 sec, Signature-expiration: 17.02.2024, 13:46:39 +, Signature-Inception: 07.02.2024, 12:46:39 +, KeyTag 6415, Signer-Name: vetuni.cz



0 DNSKEY RR found






RRSIG Type 1 validates the A - Result: 195.113.198.43
Validated: RRSIG-Owner fvl.vetuni.cz., Algorithm: 13, 3 Labels, original TTL: 7200 sec, Signature-expiration: 17.02.2024, 13:46:39 +, Signature-Inception: 07.02.2024, 12:46:39 +, KeyTag 6415, Signer-Name: vetuni.cz



CNAME-Query sends a valid NSEC3 RR as result with the hashed query name "9e5kijpf14edqcsv2a8jnfvvnouqlt15" equal the hashed NSEC3-owner "9e5kijpf14edqcsv2a8jnfvvnouqlt15" and the hashed NextOwner "a0petflqjcj5mjjvr9jd3e97n3kmqrv7". So the zone confirmes the not-existence of that CNAME RR, but the existence of that query name (minimal one RR with that name exists).
Bitmap: A, RRSIG Validated: RRSIG-Owner 9e5kijpf14edqcsv2a8jnfvvnouqlt15.vetuni.cz., Algorithm: 13, 3 Labels, original TTL: 7200 sec, Signature-expiration: 17.02.2024, 13:46:39 +, Signature-Inception: 07.02.2024, 12:46:39 +, KeyTag 6415, Signer-Name: vetuni.cz



Status: Good. NoData-Proof required and found.



TXT-Query sends a valid NSEC3 RR as result with the hashed query name "9e5kijpf14edqcsv2a8jnfvvnouqlt15" equal the hashed NSEC3-owner "9e5kijpf14edqcsv2a8jnfvvnouqlt15" and the hashed NextOwner "a0petflqjcj5mjjvr9jd3e97n3kmqrv7". So the zone confirmes the not-existence of that TXT RR, but the existence of that query name (minimal one RR with that name exists).
Bitmap: A, RRSIG Validated: RRSIG-Owner 9e5kijpf14edqcsv2a8jnfvvnouqlt15.vetuni.cz., Algorithm: 13, 3 Labels, original TTL: 7200 sec, Signature-expiration: 17.02.2024, 13:46:39 +, Signature-Inception: 07.02.2024, 12:46:39 +, KeyTag 6415, Signer-Name: vetuni.cz



Status: Good. NoData-Proof required and found.



AAAA-Query sends a valid NSEC3 RR as result with the hashed query name "9e5kijpf14edqcsv2a8jnfvvnouqlt15" equal the hashed NSEC3-owner "9e5kijpf14edqcsv2a8jnfvvnouqlt15" and the hashed NextOwner "a0petflqjcj5mjjvr9jd3e97n3kmqrv7". So the zone confirmes the not-existence of that AAAA RR, but the existence of that query name (minimal one RR with that name exists).
Bitmap: A, RRSIG Validated: RRSIG-Owner 9e5kijpf14edqcsv2a8jnfvvnouqlt15.vetuni.cz., Algorithm: 13, 3 Labels, original TTL: 7200 sec, Signature-expiration: 17.02.2024, 13:46:39 +, Signature-Inception: 07.02.2024, 12:46:39 +, KeyTag 6415, Signer-Name: vetuni.cz



Status: Good. NoData-Proof required and found.



TLSA-Query (_443._tcp.fvl.vetuni.cz) sends a valid NSEC3 RR as result with the hashed owner name "9e5kijpf14edqcsv2a8jnfvvnouqlt15" (unhashed: fvl.vetuni.cz). So that's the Closest Encloser of the query name.
Bitmap: A, RRSIG Validated: RRSIG-Owner 9e5kijpf14edqcsv2a8jnfvvnouqlt15.vetuni.cz., Algorithm: 13, 3 Labels, original TTL: 7200 sec, Signature-expiration: 17.02.2024, 13:46:39 +, Signature-Inception: 07.02.2024, 12:46:39 +, KeyTag 6415, Signer-Name: vetuni.cz



Status: Good. NXDomain-Proof required and found.



TLSA-Query sends a valid NSEC3 RR as result and covers the hashed Next Closer Name "7t29ejl4cnp6f8jnc2der6jei99nvfmp" (unhashed: _tcp.fvl.vetuni.cz) with the owner "7737h1em4qaoopfl3c68tg17rsk4a8cj" and the NextOwner "89ihn3hi36b7nhcumc7uqo1f3s6fcjpu". So that NSEC3 confirms the not-existence of the Next Closer Name.
Bitmap: A, RRSIG Validated: RRSIG-Owner 7737h1em4qaoopfl3c68tg17rsk4a8cj.vetuni.cz., Algorithm: 13, 3 Labels, original TTL: 7200 sec, Signature-expiration: 21.02.2024, 07:33:44 +, Signature-Inception: 11.02.2024, 06:33:44 +, KeyTag 6415, Signer-Name: vetuni.cz



Status: Good. NXDomain-Proof required and found.



TLSA-Query sends a valid NSEC3 RR as result and covers the hashed Wildcard expansion of the ClosestEncloser "1inva21akf0shkgebmobilqani42t25t" (unhashed: *.fvl.vetuni.cz) with the owner "1geeif5ej96t7b9ritjfbnjf7o35t8an" and the NextOwner "29l17ase9gpf4ne5nvt0bj5uhdlh0576". So that NSEC3 confirms the not-existence of the Wildcard expansion.
Bitmap: CNAME, RRSIG Validated: RRSIG-Owner 1geeif5ej96t7b9ritjfbnjf7o35t8an.vetuni.cz., Algorithm: 13, 3 Labels, original TTL: 7200 sec, Signature-expiration: 21.02.2024, 07:33:44 +, Signature-Inception: 11.02.2024, 06:33:44 +, KeyTag 6415, Signer-Name: vetuni.cz



Status: Good. NXDomain-Proof required and found.



CAA-Query sends a valid NSEC3 RR as result with the hashed query name "9e5kijpf14edqcsv2a8jnfvvnouqlt15" equal the hashed NSEC3-owner "9e5kijpf14edqcsv2a8jnfvvnouqlt15" and the hashed NextOwner "a0petflqjcj5mjjvr9jd3e97n3kmqrv7". So the zone confirmes the not-existence of that CAA RR, but the existence of that query name (minimal one RR with that name exists).
Bitmap: A, RRSIG Validated: RRSIG-Owner 9e5kijpf14edqcsv2a8jnfvvnouqlt15.vetuni.cz., Algorithm: 13, 3 Labels, original TTL: 7200 sec, Signature-expiration: 17.02.2024, 13:46:39 +, Signature-Inception: 07.02.2024, 12:46:39 +, KeyTag 6415, Signer-Name: vetuni.cz



Status: Good. NoData-Proof required and found.

Zone: www.fvl.vetuni.cz
www.fvl.vetuni.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 "b2usn924vvl7l3sh8bo5e92eg7ji99fv" between the hashed NSEC3-owner "b0k2qtqeih8vsu78jnnhgl3jh5a799k0" and the hashed NextOwner "b3e4lpfe045haqv1nqi8l8p8outf2t0v". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: CNAME, RRSIG Validated: RRSIG-Owner b0k2qtqeih8vsu78jnnhgl3jh5a799k0.vetuni.cz., Algorithm: 13, 3 Labels, original TTL: 7200 sec, Signature-expiration: 21.02.2024, 07:33:44 +, Signature-Inception: 11.02.2024, 06:33:44 +, KeyTag 6415, Signer-Name: vetuni.cz



DS-Query in the parent zone sends valid NSEC3 RR with the Hash "9e5kijpf14edqcsv2a8jnfvvnouqlt15" as Owner. That's the Hash of "fvl.vetuni.cz" with the NextHashedOwnerName "a0petflqjcj5mjjvr9jd3e97n3kmqrv7". So that domain name is the Closest Encloser of "www.fvl.vetuni.cz". Opt-Out: False.
Bitmap: A, RRSIG Validated: RRSIG-Owner 9e5kijpf14edqcsv2a8jnfvvnouqlt15.vetuni.cz., Algorithm: 13, 3 Labels, original TTL: 7200 sec, Signature-expiration: 17.02.2024, 13:46:39 +, Signature-Inception: 07.02.2024, 12:46:39 +, KeyTag 6415, Signer-Name: vetuni.cz



The ClosestEncloser says, that "*.fvl.vetuni.cz" with the Hash "1inva21akf0shkgebmobilqani42t25t" is a possible Wildcard of the DS Query Name. But the DS-Query in the parent zone sends a valid NSEC3 RR With the owner "1geeif5ej96t7b9ritjfbnjf7o35t8an" and the Next Owner "29l17ase9gpf4ne5nvt0bj5uhdlh0576", so the Hash of the wildcard is between these hashes. So that NSEC3 proves the Not-existence of that wildcard expansion. Opt-Out: False.
Bitmap: CNAME, RRSIG Validated: RRSIG-Owner 1geeif5ej96t7b9ritjfbnjf7o35t8an.vetuni.cz., Algorithm: 13, 3 Labels, original TTL: 7200 sec, Signature-expiration: 21.02.2024, 07:33:44 +, Signature-Inception: 11.02.2024, 06:33:44 +, KeyTag 6415, Signer-Name: vetuni.cz


3. Name Servers

DomainNameserverNS-IP
www.fvl.vetuni.cz
  ns1.vetuni.cz

fvl.vetuni.cz
  ns1.vetuni.cz
195.113.198.35
Rakovnik/Central Bohemia/Czechia (CZ) - CESNET-TCZ

vetuni.cz
  ns.muni.cz
147.251.4.33
Brno/South Moravian/Czechia (CZ) - CESNET z.s.p.o.


 
2001:718:801:404::33
Nove Hrady/Jihocesky kraj/Czechia (CZ) - CESNET6-TCZ


  ns1.vetuni.cz
195.113.198.35
Rakovnik/Central Bohemia/Czechia (CZ) - CESNET-TCZ

cz
  a.ns.nic.cz / dns-cra-dns09.nic.cz


  b.ns.nic.cz / dns-cra-dns01.nic.cz


  c.ns.nic.cz / dns-linx-dns01.nic.cz


  d.ns.nic.cz / dns-cra-dns03.nic.cz


4. SOA-Entries


Domain:cz
Zone-Name:cz
Primary:a.ns.nic.cz
Mail:hostmaster.nic.cz
Serial:1707671939
Refresh:900
Retry:300
Expire:604800
TTL:900
num Entries:4


Domain:vetuni.cz
Zone-Name:vetuni.cz
Primary:ns1.vetuni.cz
Mail:jdvor.vfu.cz
Serial:2024012223
Refresh:900
Retry:300
Expire:1209600
TTL:7200
num Entries:3


Domain:fvl.vetuni.cz
Zone-Name:vetuni.cz
Primary:ns1.vetuni.cz
Mail:jdvor.vfu.cz
Serial:2024012223
Refresh:900
Retry:300
Expire:1209600
TTL:7200
num Entries:1


Domain:www.fvl.vetuni.cz
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


5. Screenshots

Startaddress: https://fvl.vetuni.cz/, address used: https://fvl.vetuni.cz/, Screenshot created 2024-02-11 18:30:56 +00:0

Mobil (412px x 732px)

1167 milliseconds

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

1157 milliseconds

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

1345 milliseconds

Screenshot Desktop - https://fvl.vetuni.cz/

Mobile- and other Chrome-Checks

widthheight
visual Viewport396732
content Size3962209

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

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://fvl.vetuni.cz/
195.113.198.43
301
https://fvl.vetuni.cz/
Html is minified: 100.00 %
0.047
A
Date: Sun, 11 Feb 2024 17:26:36 GMT
Server: Apache
Location: https://fvl.vetuni.cz/
Connection: close
Content-Length: 230
Content-Type: text/html; charset=iso-8859-1

• https://fvl.vetuni.cz/
195.113.198.43 GZip used - 6601 / 35012 - 81.15 %
Inline-JavaScript (∑/total): 1/1262 Inline-CSS (∑/total): 2/938
200

Html is minified: 116.29 %
3.327
A
Date: Sun, 11 Feb 2024 17:26:36 GMT
Server: Apache
Content-Security-Policy: default-src 'self'; form-action 'self'; img-src 'self' 'unsafe-inline' data:; style-src 'self' 'unsafe-inline' data:; script-src 'self' 'nonce-PQEAtxWtKfM4iLjzSGWIhVaKsZtRrJrjO5S4VqiwrUk=' ; frame-src 'self' https://www.google.com; frame-ancestors 'none'; base-uri 'self';
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
X-XSS-Protection: 0
Permissions-Policy: accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=(), fullscreen=(), sync-xhr=(), autoplay=(), encrypted-media=()
X-Content-Type-Options: nosniff
Referrer-Policy: strict-origin-when-cross-origin
Upgrade: h2
Connection: Upgrade, close
Vary: Accept-Encoding
Content-Security-Policy-Report-Only: default-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; report-uri /csp-report.php
Content-Encoding: gzip
Content-Length: 6601
Content-Type: text/html; charset=UTF-8

• http://fvl.vetuni.cz/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
195.113.198.43
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
301
https://fvl.vetuni.cz/index.php
Html is minified: 100.00 %
0.047
A
Visible Content:
Date: Sun, 11 Feb 2024 17:26:41 GMT
Server: Apache
Location: https://fvl.vetuni.cz/index.php
Connection: close
Content-Length: 239
Content-Type: text/html; charset=iso-8859-1

• https://fvl.vetuni.cz/index.php
GZip used - 6600 / 35009 - 81.15 %
Inline-JavaScript (∑/total): 1/1262 Inline-CSS (∑/total): 2/938
200

Html is minified: 116.29 %
3.310

Visible Content:
Date: Sun, 11 Feb 2024 17:26:45 GMT
Server: Apache
Content-Security-Policy: default-src 'self'; form-action 'self'; img-src 'self' 'unsafe-inline' data:; style-src 'self' 'unsafe-inline' data:; script-src 'self' 'nonce-PQEAtxWtKfM4iLjzSGWIhVaKsZtRrJrjO5S4VqiwrUk=' ; frame-src 'self' https://www.google.com; frame-ancestors 'none'; base-uri 'self';
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
X-XSS-Protection: 0
Permissions-Policy: accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=(), fullscreen=(), sync-xhr=(), autoplay=(), encrypted-media=()
X-Content-Type-Options: nosniff
Referrer-Policy: strict-origin-when-cross-origin
Upgrade: h2
Connection: Upgrade, close
Vary: Accept-Encoding
Content-Security-Policy-Report-Only: default-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; report-uri /csp-report.php
Content-Encoding: gzip
Content-Length: 6600
Content-Type: text/html; charset=UTF-8

• https://195.113.198.43/
195.113.198.43 GZip used - 6252 / 32753 - 80.91 %
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 2/938
200

Html is minified: 112.48 %
3.327
N
Certificate error: RemoteCertificateNameMismatch
Date: Sun, 11 Feb 2024 17:26:41 GMT
Server: Apache
Content-Security-Policy: default-src 'self'; form-action 'self'; img-src 'self' 'unsafe-inline' data:; style-src 'self' 'unsafe-inline' data:; script-src 'self' 'unsafe-inline' ; frame-src 'self' https://www.google.com; frame-ancestors 'none'; base-uri 'self';
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
X-XSS-Protection: 0
Permissions-Policy: accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=(), fullscreen=(), sync-xhr=(), autoplay=(), encrypted-media=()
Feature-Policy: accelerometer 'none'; camera 'none'; geolocation 'none'; gyroscope 'none'; magnetometer 'none'; microphone 'none'; payment 'none'; usb 'none'; fullscreen 'none'; sync-xhr 'none'; autoplay 'none'; encrypted-media 'none'
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
Referrer-Policy: strict-origin-when-cross-origin
Upgrade: h2
Connection: Upgrade, close
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 6252
Content-Type: text/html; charset=UTF-8

7. Comments


1. General Results, most used to calculate the result

Aname "fvl.vetuni.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: 1733 (complete: 239099)
AGood: All ip addresses are public addresses
Warning: Only one ip address found: fvl.vetuni.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: fvl.vetuni.cz has no ipv6 address.
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: 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://fvl.vetuni.cz/ 195.113.198.43
301
https://fvl.vetuni.cz/
Correct redirect http - https with the same domain name
Nhttps://195.113.198.43/ 195.113.198.43
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 different. So that domain requires Server Name Indication (SNI), so the server is able to select the correct certificate.: Domain fvl.vetuni.cz, 1 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.fvl.vetuni.cz

2. Header-Checks

Afvl.vetuni.cz 195.113.198.43
Content-Security-Policy
Ok: Header without syntax errors found: default-src 'self'; form-action 'self'; img-src 'self' 'unsafe-inline' data:; style-src 'self' 'unsafe-inline' data:; script-src 'self' 'nonce-PQEAtxWtKfM4iLjzSGWIhVaKsZtRrJrjO5S4VqiwrUk=' ; frame-src 'self' https://www.google.com; frame-ancestors 'none'; base-uri 'self';
A

Good: default-src directive only with 'none' or 'self', additional sources are blocked.
A

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

Good: form-action directive found. That reduces the risk sending data to unwanted domains. form-action is a navigation-directive, so default-src isn't used.
A

Good: frame-ancestors directive found. That limits pages who are allowed to use this page in a frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used.
A

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

Good: No object-src found, but the default-src used as fallback is defined and restricted.
A

Good: script-src without 'unsafe-inline' and 'unsafe-eval' found. That's the recommended configuration.
A

Good: script-src without * and a scheme found.
A

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

Good: frame-src without data: defined or frame-src missing and the default-src used as fallback not allows the data: schema. That blocks hidden code injection. Insert <iframe src="data:text/html;charset=utf-8;base64,PCFET0NUWVBFIGh0bWw+PGh0bWw+PGJvZHk+PHA+YmVmb3JlPHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiPmFsZXJ0KCdYU1MnKTwvc2NyaXB0PjxwPmFmdGVyPC9ib2R5PjwvaHRtbD4="></iframe> in your page and see what happens.
A

Ok: Nonce found. (Element: img-src)
A
X-Content-Type-Options
Ok: Header without syntax errors found: nosniff
A
Referrer-Policy
Ok: Header without syntax errors found: strict-origin-when-cross-origin
A
Permissions-Policy
Ok: Header without syntax errors found: accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=(), fullscreen=(), sync-xhr=(), autoplay=(), encrypted-media=()
A
X-Xss-Protection
Ok: Header without syntax errors found: 0
B

Info: Header is deprecated. May not longer work in modern browsers. 0

3. DNS- and NameServer - Checks

AInfo:: 15 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 2 Name Servers.
AInfo:: 15 Queries complete, 13 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.ns.muni.cz (147.251.4.33, 2001:718:801:404::33), ns1.vetuni.cz (195.113.198.35), ns.muni.cz (147.251.4.33, 2001:718:801:404::33)
Ok (4 - 8):: An average of 7.5 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 2 different Name Servers found: ns.muni.cz, ns1.vetuni.cz, 2 Name Servers included in Delegation: ns.muni.cz, ns1.vetuni.cz, 2 Name Servers included in 1 Zone definitions: ns.muni.cz, ns1.vetuni.cz, 1 Name Servers listed in SOA.Primary: ns1.vetuni.cz.
AGood: Only one SOA.Primary Name Server found.: ns1.vetuni.cz.
AGood: SOA.Primary Name Server included in the delegation set.: ns1.vetuni.cz.
AGood: Consistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Ordered list of name servers: ns.muni.cz, ns1.vetuni.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.
AGood: Minimal 2 different name servers (public suffix and public ip address) found: 2 different Name Servers found
AGood: Some Name Servers have IPv6 addresses: 1 Name Servers with IPv6 found (1 Name Servers without IPv6)
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: cz
AGood: Name Servers with different domain names found.: 2 different Domains found
Warning: All Name Servers from the same Country / IP location.: 2 Name Servers, 1 Countries: CZ
AInfo: Ipv4-Subnet-list: 2 Name Servers, 2 different subnets (first Byte): 147., 195., 2 different subnets (first two Bytes): 147.251., 195.113., 2 different subnets (first three Bytes): 147.251.4., 195.113.198.
AExcellent: Every Name Server IPv4-address starts with an unique Byte.
AInfo: IPv6-Subnet-list: 1 Name Servers with IPv6, 1 different subnets (first block): 2001:, 1 different subnets (first two blocks): 2001:0718:, 1 different subnets (first three blocks): 2001:0718:0801:, 1 different subnets (first four blocks): 2001:0718:0801:0404:
Fatal: All Name Server IPv6 addresses from the same subnet.
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: ns.muni.cz / 147.251.4.33: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: fatal timeout. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns1.vetuni.cz: 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

https://fvl.vetuni.cz/index.php
200

Warning: Not existing ACME-file, but Server sends 200, not 404 or redirect. May be a problem creating a Letsencrypt certificate. Checking /.well-known/acme-challenge/random-filename - a http status 404 - Not Found - is expected. If your server sends content and a http status 200, the validation file (87 bytes, token, dot and the hash of the public part of the account key) may be invisible, so Letsencrypt can't validate your domain. If it is an application that sends this content, perhaps create an exception, so /.well-known/acme-challenge sends raw files. Or create a redirect to another domain and / or port 443, but your Letsencrypt client must support such a solution. Certbot: Use webroot as authenticator - https://certbot.eff.org/docs/using.html Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
AGood: Every https result with status 200 supports GZip.
https://fvl.vetuni.cz/ 195.113.198.43
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://fvl.vetuni.cz/index.php
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://195.113.198.43/ 195.113.198.43
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://fvl.vetuni.cz/ 195.113.198.43
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://fvl.vetuni.cz/index.php
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://195.113.198.43/ 195.113.198.43
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: All script Elements (type text/javascript) and src-Attribute have a defer / async - Attribute. So loading and executing these JavaScripts doesn't block parsing and rendering the Html-Output.
AGood: All CSS / JavaScript files are sent with GZip. That reduces the content of the files. 18 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. 4 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. 9 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), 18 with Cache-Control long enough, 27 complete.
Warning: Images with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 4 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), 8 with Cache-Control long enough, 12 complete.
AGood: All checked attribute values are enclosed in quotation marks (" or ').
AGood: All img-elements have a valid alt-attribute.: 12 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
ADuration: 316380 milliseconds, 316.380 seconds


8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
fvl.vetuni.cz
195.113.198.43
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
supported
ok
fvl.vetuni.cz
195.113.198.43
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
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=fvl.vetuni.cz

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

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


fvl.vetuni.cz
fvl.vetuni.cz
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
supported
ok

fvl.vetuni.cz
fvl.vetuni.cz
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
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=fvl.vetuni.cz

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

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


195.113.198.43
195.113.198.43
443
name does not match
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
supported
ok

195.113.198.43
195.113.198.43
443
name does not match
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
supported
ok
http/2 via ALPN supported 
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
http/2 via ALPN supported
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain - too much certificates, don't send root certificates
1CN=vetuni.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=fvl.vetuni.cz
17.12.2023
16.03.2024
expires in 17 days
fvl.vetuni.cz - 1 entry
1.
1.
CN=fvl.vetuni.cz
17.12.2023

16.03.2024
expires in 17 days
fvl.vetuni.cz - 1 entry

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:04D83A8E43A5E8CEFDCAEC6707EF63BAE15C
Thumbprint:35B30B4B122D56D04C93BC6C8BA98F40ADA66568
SHA256 / Certificate:X6i4x3ScMC/P6Mnl3FoBgJ+Sf837coMQPj8Q/LDUoTk=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):f91363079092d5bc7a150630e526ca8c55e87430f1ecb85e1e7b1e9d3e03bb3b
SHA256 hex / Subject Public Key Information (SPKI):f91363079092d5bc7a150630e526ca8c55e87430f1ecb85e1e7b1e9d3e03bb3b (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 565 days


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

15.09.2025
expires in 565 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 4114 days


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

04.06.2035
expires in 4114 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=vetuni.cz
26.01.2024
25.04.2024
expires in 57 days
vetuni.cz, www.vetuni.cz - 2 entries
2.
1.
CN=vetuni.cz
26.01.2024

25.04.2024
expires in 57 days
vetuni.cz, www.vetuni.cz - 2 entries

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:044765DAE04952CB447B19ABDBAD8FE6BD99
Thumbprint:32C33AAE7AD1F8FFD076AF0A0518BB09142908C7
SHA256 / Certificate:yQ4fHPimzSnUtcIJNO0JEtS3dm3G0smSux2fSU3ut2c=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):4731945ee010932409299e108098af0e973e201b473d7292f7e92146d661a9d8
SHA256 hex / Subject Public Key Information (SPKI):4731945ee010932409299e108098af0e973e201b473d7292f7e92146d661a9d8 (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 565 days


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

15.09.2025
expires in 565 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 4114 days


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

04.06.2035
expires in 4114 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
1
1

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
6383642052
leaf cert
CN=R3, O=Let's Encrypt, C=US
2023-12-17 09:10:41
2024-03-16 09:10:40
fvl.vetuni.cz - 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
1
3

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
11511266277
leaf cert
CN=R3, O=Let's Encrypt, C=US
2023-12-17 08:10:41
2024-03-16 08:10:40
fvl.vetuni.cz
1 entries


10819309349
leaf cert
CN=R3, O=Let's Encrypt, C=US
2023-10-18 03:46:49
2024-01-16 04:46:48
fvl.vetuni.cz
1 entries


10339333048
leaf cert
CN=R3, O=Let's Encrypt, C=US
2023-08-19 01:18:20
2023-11-17 02:18:19
fvl.vetuni.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://fvl.vetuni.cz/
195.113.198.43
a

57

0


0
0
0


img

4
1,001,157 Bytes
0
4
0
0
0
0


link
stylesheet
7
49,279 Bytes
0
7
0
0
0
0


meta
og
3

0


0
0
0


meta
twitter
4

0


0
0
0


meta
other
7

0


0
0
0


script

2
30,910 Bytes
0
2
0
0
0
0

https://195.113.198.43/
195.113.198.43
a

53

0


0
0
0


img

4

0


0
0
0


link
stylesheet
7

0


0
0
0


link
other
1

0


0
0
0


meta
og
3

0


0
0
0


meta
twitter
4

0


0
0
0


meta
other
7

0


0
0
0


script

2

0


0
0
0

Details

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsgStatus
https://fvl.vetuni.cz/
195.113.198.43
a

#


1
ok








a

ambulace-a-pohotovost


2
ok








a

bakalarsky-studijni-program


2
ok








a

bc-studium-cz


2
ok








a

den-otevrenych-dveri-1-2


2
ok








a

doktorske-studium-v-ceskem-jazyce


2
ok








a

doktorsky-studijni-program


2
ok








a

eng


1
ok








a

e-prihlaska


2
ok








a

https://fvl.vfu.cz


1
ok








a

https://twitter.com/vetuni_brno


1
ok








a

https://www.facebook.com/VetuniBrno/


1
ok








a

https://www.instagram.com/vetuni_brno


1
ok








a

https://www.linkedin.com/company/vetuni/mycompany/?viewAsMember=true


1
ok








a

https://www.youtube.com/channel/UCRPO7V-e97OMnVdf3lmQbpw


1
ok








a

informace-o-fakulte


2
ok








a

informace-o-fakulte-1


2
ok








a

informace-pro-studenty-1


2
ok








a

kontakt


2
ok








a

kontakty-1-2


2
ok








a

lide-na-vetuni


2
ok








a

magisterske-studium-v-ceskem-jazyce


2
ok








a

magistersky-studijni-program


2
ok








a

novinky


1
ok








a

novy-studijni-program


2
ok








a

Prihlasky-ke-studiu


2
ok








a

pro-studenty


2
ok








a

pro-uchazece


2
ok








a

studijni-oddeleni


2
ok








a

Univerzitni-ples-2024


2
ok








a

uredni-deska


2
ok








a

veda-vyzkum-a-vyvoj


2
ok








a

zaverecne-prace


2
ok








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src
files/upload/motivacni-obrazek/foto_prihlasky.jpg
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1
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alt: Přihlášky ke studiuimage/jpeg, X-Content-Type-Options nosniff found

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No GZip - 268090 Bytes






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src
files/upload/motivacni-obrazek/novyprogram.png
200

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alt: Nový studijní programimage/png, X-Content-Type-Options nosniff found

Cache-Control: public, max-age=604800 with long duration found.
No GZip - 334129 Bytes






img
src
files/upload/motivacni-obrazek/Univerzitni_ples.jpg
200

1
ok
alt: Univerzitní plesimage/jpeg, X-Content-Type-Options nosniff found

Cache-Control: public, max-age=604800 with long duration found.
No GZip - 346495 Bytes






img
src
images/fvl_cz.png
200

1
ok
alt: logo Fakulta veterinárního lékařství VETUNIimage/png, X-Content-Type-Options nosniff found

Cache-Control: public, max-age=604800 with long duration found.
No GZip - 52443 Bytes






link
stylesheet
css/all.css
200

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

Cache-Control: public, max-age=604800 - with long duration found.
GZip: 143566/2523390 Bytes




local SRI possible, possible hash-values:

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link
stylesheet
css/bootstrap.min.css
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2
ok
text/css, X-Content-Type-Options nosniff found

Cache-Control: public, max-age=604800 - with long duration found.
GZip: 23238/155758 Bytes




local SRI possible, possible hash-values:

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link
stylesheet
css/css.css
200

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

Cache-Control: public, max-age=604800 - with long duration found.
GZip: 798/2395 Bytes




local SRI possible, possible hash-values:

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sha384-HdEQ/A8JNP7QPPsmdh2uj+vTN1xm0hapOwi7cxIgwvLGR18K7FYEEtdv/LEVeVvn
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link
stylesheet
css/css_button_menu.css
200

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

Cache-Control: public, max-age=604800 - with long duration found.
GZip: 73/95 Bytes




local SRI possible, possible hash-values:

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sha384-lNSSPw9H5pWaOYe19ZHa4SSLBq7tgi5BwK+i3A/VxlhpGqysLI5i9yCfe1Hh0Z6Y
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<link rel="stylesheet" href="css/css_button_menu.css" crossorigin="anonymous" integrity="sha256-NiEEqQK1wY4qEiFO5kAq5IJqPyStYWenSEcJD44xiiU=" />




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

Cache-Control: public, max-age=604800 - with long duration found.
GZip: 125253/1429379 Bytes




local SRI possible, possible hash-values:

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sha384-RVMv7uSkFM4UUHtrGbAuS+zf9h3ZNVu1AEVaeFkrgEmtXXYq7riovvrazI8rU9nf
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<link rel="stylesheet" href="nicepage.css" crossorigin="anonymous" integrity="sha256-0QOsV4+2miXTATR6+jqcqvnXgrGQkhOVI90EWAlBYqQ=" />



Content loaded via url("...")

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data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 8 8'%3E%3Cpath d='M2.75 0l-1.5 1.5 2.5 2.5-2.5 2.5 1.5 1.5 4-4-4-4z'/%3E%3C/svg%3E1
data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 8 8'%3E%3Cpath d='M5.25 0l-4 4 4 4 1.5-1.5-2.5-2.5 2.5-2.5-1.5-1.5z'/%3E%3C/svg%3E1

link
stylesheet
vetuni.css
200

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

Cache-Control: public, max-age=604800 - with long duration found.
GZip: 1932/17499 Bytes




local SRI possible, possible hash-values:

sha256-P/Yh2+DAd8rskr6uJV/+NwzhxaMriAIxZnungTeaYg4=
sha384-GVG5hwJICfFWfNGx+MeaI1W98tVD5Yi2mzk+be+CiDB1e8VUMdJpToS97iEEYdWi
sha512-YlNytif3zDtv83nLrKc6jGjBBOHWpiZxV3Dz9SGO5cje2I6IPrBar9BRkNTNret84G6/Bv/KxsayDc1jQVs8+A==

<link rel="stylesheet" href="vetuni.css" crossorigin="anonymous" integrity="sha256-P/Yh2+DAd8rskr6uJV/+NwzhxaMriAIxZnungTeaYg4=" />




meta




1
ok








meta

utf-8


1
ok








meta
og:description



1
ok








meta
og:title
vetuni


1
ok








meta
og:type
website


1
ok








meta
description



1
ok








meta
generator
Nicepage 5.8.13, nicepage.com


1
ok








meta
keywords



1
ok








meta
theme-color
#478ac9


1
ok








meta
twitter:card
summary_large_image


1
ok








meta
twitter:description
VETUNI


1
ok








meta
twitter:site
@


1
ok








meta
twitter:title
vetuni


1
ok








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


1
ok








script
src
jquery.js
200

1
ok
defer attribute found text/javascript, X-Content-Type-Options nosniff found

Cache-Control: public, max-age=604800 - with long duration found.
GZip: 30910/89476 Bytes




local SRI possible, possible hash-values:

sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=
sha384-ZvpUoO/+PpLXR1lu4jmpXWu80pZlYUAfxl5NsBMWOEPSjUn/6Z/hRTt8+pR6L4N2
sha512-bLT0Qm9VnAYZDflyKcBaQ2gg0hSYNQrJ8RilYldYQ1FxQYoCLtUjuuRuZo+fjqhx/qtq/1itJ0C2ejDxltZVFg==

<script src="jquery.js" crossorigin="anonymous" integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=" />




script
src
nicepage.js
200

1
ok
defer attribute found text/javascript, X-Content-Type-Options nosniff found

Cache-Control: public, max-age=604800 - with long duration found.
GZip: 90826/298486 Bytes




local SRI possible, possible hash-values:

sha256-izfRhC7GI3eG4sGAgBC8e0vrEiYtwHZ4Rk1UQX722wc=
sha384-0xatHUJWykqVWVqWaOOPakzikF3vFL4yku/ggZrArNlngMIaQGbs0yMGn2hyk3KU
sha512-lWr+42/hcEbS2tnUF1tREogubAY+OYIiGV8IPtEs0yxNedxXoy4zRPuBTp07VxwAhHhWrHPZ62aBptIBsVfnaQ==

<script src="nicepage.js" crossorigin="anonymous" integrity="sha256-izfRhC7GI3eG4sGAgBC8e0vrEiYtwHZ4Rk1UQX722wc=" />



https://195.113.198.43/
195.113.198.43
a

#


1
ok








a

ambulace-a-pohotovost


2
ok








a

celozivotni-vzdelavani


2
ok








a

chci-studovat


2
ok








a

eng


1
ok








a

eshop


2
ok








a

fakulty


2
ok








a

https://twitter.com/vetuni_brno


1
ok








a

https://www.facebook.com/VetuniBrno/


1
ok








a

https://www.instagram.com/vetuni_brno


1
ok








a

https://www.linkedin.com/company/vetuni/mycompany/?viewAsMember=true


1
ok








a

https://www.vetuni.cz


1
ok








a

https://www.youtube.com/channel/UCRPO7V-e97OMnVdf3lmQbpw


1
ok








a

informace-o-univerzite


2
ok








a

informace-pro-studenty-1


2
ok








a

institut-celozivotniho-vzdelavani


2
ok








a

jsem-student


2
ok








a

Klinicke-vzdelavani-Choroby-skotu-ovci-a-koz


2
ok








a

kontakt


2
ok








a

lide-na-vfu-brno


2
ok








a

mapa-arealu


2
ok








a

novinky


1
ok








a

novinky-a-media


2
ok








a

o-univerzite


2
ok








a

podatelna


2
ok








a

uchazeci-o-studium


2
ok








a

Univerzitni-ples-2024


2
ok








a

uredni-deska


2
ok








a

Veterinarni-univerzita-Brno-se-radi-mezi-nejlepsi-veterinarni-univerzity-Evropy


2
ok








a

vyzkum-vyvoj-rozvoj


2
ok








a

zakladni-udaje


2
ok








img
src
files/upload/motivacni-obrazek/kozy.JPG


1
ok
alt: Klinické vzdělávání - Choroby skotu, ovcí a koz








img
src
files/upload/motivacni-obrazek/plesorez.jpg


1
ok
alt: Univerzitní ples








img
src
files/upload/motivacni-obrazek/RektorAkreditace.jpg


1
ok
alt: Veterinární univerzita Brno se řadí mezi nejlepší veterinární univerzity Evropy








img
src
images/vfu_cz.png


1
ok
alt: logo VETUNI








link
icon
favicon.ico


1
ok








link
stylesheet
css/all.css


1
ok








link
stylesheet
css/bootstrap.min.css


2
ok








link
stylesheet
css/css.css


1
ok








link
stylesheet
css/css_button_menu.css


1
ok








link
stylesheet
nicepage.css


1
ok








link
stylesheet
vetuni.css


1
ok








meta




1
ok








meta

utf-8


1
ok








meta
og:description



1
ok








meta
og:title
vetuni


1
ok








meta
og:type
website


1
ok








meta
description



1
ok








meta
generator
Nicepage 5.8.13, nicepage.com


1
ok








meta
keywords



1
ok








meta
theme-color
#478ac9


1
ok








meta
twitter:card
summary_large_image


1
ok








meta
twitter:description
VETUNI


1
ok








meta
twitter:site
@


1
ok








meta
twitter:title
vetuni


1
ok








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


1
ok








script
src
jquery.js


1
ok
defer attribute found








script
src
nicepage.js


1
ok
defer attribute found








12. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: ns.muni.cz, ns1.vetuni.cz

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

Answer: a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz
2
ns.muni.cz: 147.251.4.33, 2001:718:801:404::33
NS
a.ns.nic.cz (2001:678:f::1)

Answer: ns2.muni.cz
147.251.6.10, 2001:718:801:406::10
3
ns1.vetuni.cz: 195.113.198.35
NS
a.ns.nic.cz (2001:678:f::1)

Answer: ns.muni.cz
147.251.4.33, 2001:718:801:404::33
4
ns2.muninet.cz
NS
a.ns.nic.cz (2001:678:f::1)

Answer: ns.inecnet.cz, ns.muninet.cz

Answer: ns.muninet.cz
217.69.96.9

Answer: ns.inecnet.cz
212.47.0.10
5
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
6
nsa.ces.net: 195.113.144.205, 2001:718:1:1::144:205
NS
a.gtld-servers.net (2001:503:a83e::2:30)
7
decsys.vsb.cz: 158.196.149.9, 2001:718:1001:149::9
NS
a.ns.nic.cz (2001:678:f::1)
8
nsa.cesnet.cz: 195.113.144.228, 2001:718:1:101::144:228
NS
a.ns.nic.cz (2001:678:f::1)

Answer: decsys.vsb.cz
158.196.149.9, 2001:718:1001:149::9
9
sk
NS
k.root-servers.net (2001:7fd::1)

Answer: a.tld.sk, b.tld.sk, c.tld.sk, e.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk
10
sun.uakom.sk: 192.108.131.11, 2001:4118:100:1::11
NS
a.tld.sk (2001:678:70::1)

Answer: ns.fei.stuba.sk
147.175.111.15, 2001:4118:10:6f00::f

Answer: ans.uakom.sk
194.160.185.188, 2001:4118:100:c::188
11
nsa.ten.cz
NS
a.ns.nic.cz (2001:678:f::1)

Answer: decsys.vsb.cz, nsa.ces.net, nsa.cesnet.cz, nsa.ten.cz

Answer: nsa.cesnet.cz
195.113.144.228, 2001:718:1:101::144:228

Answer: decsys.vsb.cz
158.196.149.9, 2001:718:1001:149::9
12
ns2.muninet.cz: 217.69.96.26
A
ns.inecnet.cz (212.47.0.10)
13
ns2.muninet.cz: No AAAA record found
AAAA
ns.inecnet.cz (212.47.0.10)
14
nsa.ten.cz: 81.95.101.67
A
decsys.vsb.cz (2001:718:1001:149::9)
15
nsa.ten.cz: 2a02:4a8:ac24:115::101:67
AAAA
decsys.vsb.cz (2001:718:1001:149::9)


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
fvl.vetuni.cz
0

no CAA entry found
1
0
vetuni.cz
0

no CAA entry found
1
0
cz
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
vetuni.cz
2qa5xElNjZgFIRm2f8tI1K8VQNTJvV3rAcOWPWkzluL74oYXRENcgeVRaFnTleIG2EML1gXgUoO9fS6gJ2ZEjw==
ok
1
0
vetuni.cz
5SfsvWEMgxjjcIGtmWK4/5FonYR/2oFH+RCeQTRXDE6AhGW4583adrPJSyETrmq34idu5EH+k+5p0tSmIID6bA==
ok
1
0
vetuni.cz
have-i-been-pwned-verification=08f67ed21f25e6b1bd8036f49dfdd0ac
ok
1
0
vetuni.cz
v=spf1 a:mail.vfu.cz include:spf.protection.outlook.com ip4:195.113.198.0/24 include:web.spf.e-fractal.cz ~all
ok
1
0
fvl.vetuni.cz

ok
1
0
_acme-challenge.fvl.vetuni.cz

Name Error - The domain name does not exist
1
0
_acme-challenge.fvl.vetuni.cz.vetuni.cz

Name Error - The domain name does not exist
1
0
_acme-challenge.fvl.vetuni.cz.fvl.vetuni.cz

Name Error - The domain name does not exist
2
1


15. DomainService - Entries

No DomainServiceEntries entries found



16. Cipher Suites

DomainIPPortCipher (OpenSsl / IANA)
fvl.vetuni.cz
195.113.198.43
443
ECDHE-RSA-CHACHA20-POLY1305
(Secure)
TLSv1.2
0xCC,0xA8
FS
5 Ciphers, 38.15 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



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

TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
DH
RSA
AESGCM(128)
AEAD


17. Portchecks

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



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Last Result: https://check-your-website.server-daten.de/?q=fvl.vetuni.cz - 2024-02-11 18:25:55


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