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


 

 

O

 

old / weak connection

 

Checked:
02.12.2025 11:41:30

 

Older results

No older results found

 

1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
ire.pw.edu.pl
A
194.29.160.106
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska
Hostname: bd1-blade3.elka.pw.edu.pl
yes
1
0

AAAA

yes


www.ire.pw.edu.pl
CNAME
web2.elka.pw.edu.pl
yes
1
0

A
194.29.160.106
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska
Hostname: bd1-blade3.elka.pw.edu.pl
yes


*.pw.edu.pl
A
Refused
yes



AAAA
Refused
yes



CNAME
Refused
yes


*.ire.pw.edu.pl
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 38696, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 61809, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 21.12.2025, 00:00:00 +, Signature-Inception: 30.11.2025, 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: pl

pl
1 DS RR in the parent zone found






DS with Algorithm 8, KeyTag 35456, DigestType 2 and Digest wfzIjHPMuvqi1taFdbAe11N4bNczpKI5Mk1WCX8Xkws=






2 RRSIG RR to validate DS RR found






RRSIG-Owner pl., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 15.12.2025, 05:00:00 +, Signature-Inception: 02.12.2025, 04:00:00 +, KeyTag 61809, Signer-Name: (root)






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 61809 used to validate the DS RRSet in the parent zone






3 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 1753, Flags 256






Public Key with Algorithm 8, KeyTag 10680, Flags 256






Public Key with Algorithm 8, KeyTag 35456, Flags 257 (SEP = Secure Entry Point)






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner pl., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 30.12.2025, 12:00:00 +, Signature-Inception: 30.11.2025, 12:00:00 +, KeyTag 35456, Signer-Name: pl






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 35456 used to validate the DNSKEY RRSet






Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 35456, DigestType 2 and Digest "wfzIjHPMuvqi1taFdbAe11N4bNczpKI5Mk1WCX8Xkws=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: edu.pl

edu.pl
1 DS RR in the parent zone found






DS with Algorithm 8, KeyTag 3836, DigestType 2 and Digest aKWUeqt4BtAGXk/bS3uZWBsV8CUtv1alrY5FlQGaZmE=






2 RRSIG RR to validate DS RR found






RRSIG-Owner edu.pl., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 30.12.2025, 12:00:00 +, Signature-Inception: 30.11.2025, 12:00:00 +, KeyTag 10680, Signer-Name: pl






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 10680 used to validate the DS RRSet in the parent zone






3 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 3836, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 32313, Flags 256






Public Key with Algorithm 8, KeyTag 64696, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner edu.pl., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 30.12.2025, 12:00:00 +, Signature-Inception: 30.11.2025, 12:00:00 +, KeyTag 3836, Signer-Name: edu.pl






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 3836 used to validate the DNSKEY RRSet






Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 3836, DigestType 2 and Digest "aKWUeqt4BtAGXk/bS3uZWBsV8CUtv1alrY5FlQGaZmE=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: pw.edu.pl

pw.edu.pl
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 "c2rr23jnes12uhsoed61trjhglu5qr07" between the hashed NSEC3-owner "c2rk4gkv6iq76gepifbdpothcdr5pv6n" and the hashed NextOwner "c322gvii6lqt8msr4nv8qlt5abi599jp". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner c2rk4gkv6iq76gepifbdpothcdr5pv6n.edu.pl., Algorithm: 8, 3 Labels, original TTL: 3600 sec, Signature-expiration: 30.12.2025, 12:00:00 +, Signature-Inception: 30.11.2025, 12:00:00 +, KeyTag 32313, Signer-Name: edu.pl






DS-Query in the parent zone sends valid NSEC3 RR with the Hash "sk240ae8rhu4op3hi9ts786poe3t266c" as Owner. That's the Hash of "edu.pl" with the NextHashedOwnerName "sl5q188cdi9g1rci18uouohovvso1p8e". So that domain name is the Closest Encloser of "pw.edu.pl". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner sk240ae8rhu4op3hi9ts786poe3t266c.edu.pl., Algorithm: 8, 3 Labels, original TTL: 3600 sec, Signature-expiration: 30.12.2025, 12:00:00 +, Signature-Inception: 30.11.2025, 12:00:00 +, KeyTag 32313, Signer-Name: edu.pl






0 DNSKEY RR found









Zone: ire.pw.edu.pl

ire.pw.edu.pl
0 DS RR in the parent zone found






0 DNSKEY RR found









Zone: www.ire.pw.edu.pl

www.ire.pw.edu.pl
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 38696, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 61809, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 21.12.2025, 00:00:00 +, Signature-Inception: 30.11.2025, 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: pl

pl
1 DS RR in the parent zone found






DS with Algorithm 8, KeyTag 35456, DigestType 2 and Digest wfzIjHPMuvqi1taFdbAe11N4bNczpKI5Mk1WCX8Xkws=






2 RRSIG RR to validate DS RR found






RRSIG-Owner pl., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 15.12.2025, 05:00:00 +, Signature-Inception: 02.12.2025, 04:00:00 +, KeyTag 61809, Signer-Name: (root)






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 61809 used to validate the DS RRSet in the parent zone






3 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 1753, Flags 256






Public Key with Algorithm 8, KeyTag 10680, Flags 256






Public Key with Algorithm 8, KeyTag 35456, Flags 257 (SEP = Secure Entry Point)






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner pl., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 30.12.2025, 12:00:00 +, Signature-Inception: 30.11.2025, 12:00:00 +, KeyTag 35456, Signer-Name: pl






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 35456 used to validate the DNSKEY RRSet






Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 35456, DigestType 2 and Digest "wfzIjHPMuvqi1taFdbAe11N4bNczpKI5Mk1WCX8Xkws=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: edu.pl

edu.pl
1 DS RR in the parent zone found






DS with Algorithm 8, KeyTag 3836, DigestType 2 and Digest aKWUeqt4BtAGXk/bS3uZWBsV8CUtv1alrY5FlQGaZmE=






2 RRSIG RR to validate DS RR found






RRSIG-Owner edu.pl., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 30.12.2025, 12:00:00 +, Signature-Inception: 30.11.2025, 12:00:00 +, KeyTag 10680, Signer-Name: pl






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 10680 used to validate the DS RRSet in the parent zone






3 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 3836, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 32313, Flags 256






Public Key with Algorithm 8, KeyTag 64696, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner edu.pl., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 30.12.2025, 12:00:00 +, Signature-Inception: 30.11.2025, 12:00:00 +, KeyTag 3836, Signer-Name: edu.pl






Status: Good - Algorithmus 8 and DNSKEY with KeyTag 3836 used to validate the DNSKEY RRSet






Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 3836, DigestType 2 and Digest "aKWUeqt4BtAGXk/bS3uZWBsV8CUtv1alrY5FlQGaZmE=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: pw.edu.pl

pw.edu.pl
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 "c2rr23jnes12uhsoed61trjhglu5qr07" between the hashed NSEC3-owner "c2rk4gkv6iq76gepifbdpothcdr5pv6n" and the hashed NextOwner "c322gvii6lqt8msr4nv8qlt5abi599jp". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner c2rk4gkv6iq76gepifbdpothcdr5pv6n.edu.pl., Algorithm: 8, 3 Labels, original TTL: 3600 sec, Signature-expiration: 30.12.2025, 12:00:00 +, Signature-Inception: 30.11.2025, 12:00:00 +, KeyTag 32313, Signer-Name: edu.pl






DS-Query in the parent zone sends valid NSEC3 RR with the Hash "sk240ae8rhu4op3hi9ts786poe3t266c" as Owner. That's the Hash of "edu.pl" with the NextHashedOwnerName "sl5q188cdi9g1rci18uouohovvso1p8e". So that domain name is the Closest Encloser of "pw.edu.pl". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner sk240ae8rhu4op3hi9ts786poe3t266c.edu.pl., Algorithm: 8, 3 Labels, original TTL: 3600 sec, Signature-expiration: 30.12.2025, 12:00:00 +, Signature-Inception: 30.11.2025, 12:00:00 +, KeyTag 32313, Signer-Name: edu.pl






0 DNSKEY RR found









Zone: elka.pw.edu.pl

elka.pw.edu.pl
0 DS RR in the parent zone found






0 DNSKEY RR found









Zone: web2.elka.pw.edu.pl

web2.elka.pw.edu.pl
0 DS RR in the parent zone found






0 DNSKEY RR found







 

3. Name Servers

DomainNameserverNS-IP
ire.pw.edu.pl
  alfa.ire.pw.edu.pl
194.29.164.1
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska


  europa.coi.pw.edu.pl
194.29.128.2
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska


  io.coi.pw.edu.pl
194.29.128.1
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska


  proton.elka.pw.edu.pl
194.29.160.1
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska

pw.edu.pl
  arwena.nask.waw.pl
193.59.201.28
Warsaw/Mazovia/Poland (PL) - NASK


  dns.fuw.edu.pl
193.0.80.11
Warsaw/Mazovia/Poland (PL) - University of Warsaw


  europa.coi.pw.edu.pl
194.29.128.2
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska


  io.coi.pw.edu.pl
194.29.128.1
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska

edu.pl
  a-dns.pl / a-atm
192.102.225.53
Warsaw/Mazovia/Poland (PL) - Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy


 
2001:7f9::53
Warsaw/Mazovia/Poland (PL) - Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy


  b-dns.pl / b-decix
192.195.72.53
Warsaw/Mazovia/Poland (PL) - Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy


 
2001:7f9:c::53
Warsaw/Mazovia/Poland (PL) - Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy


  d-dns.pl / LHR3
185.159.197.48
Toronto/Ontario/Canada (CA) - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enreg


 
2620:10a:80aa::48
Toronto/Ontario/Canada (CA) - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enreg


  f-dns.pl / tld-all-ffm1@53029
194.0.25.29
Salzburg/Austria (AT) - NICat-anycast


 
2001:678:20::29
Salzburg/Austria (AT) - NICat-anycast


  h-dns.pl / FRA2
185.159.198.48
Ottawa/Ontario/Canada (CA) - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enreg


 
2620:10a:80ab::48
Montreal/Quebec/Canada (CA) - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enreg


  j-dns.pl / 7.fra.pch
204.61.217.4
Montreal/Quebec/Canada (CA) - WoodyNet, Inc.


 
2001:500:14:7004:ad::1
Montreal/Quebec/Canada (CA) - WoodyNet, Inc.

pl
  a-dns.pl / a-atm


  b-dns.pl / b-decix


  d-dns.pl / LHR4


  f-dns.pl / tld-all-ffm1@53029


  h-dns.pl / FRA1


  j-dns.pl / 12.fra.pch


web2.elka.pw.edu.pl
  proton.elka.pw.edu.pl
194.29.160.1
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska

elka.pw.edu.pl
  europa.coi.pw.edu.pl
194.29.128.2
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska


  io.coi.pw.edu.pl
194.29.128.1
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska


  proton.elka.pw.edu.pl
194.29.160.1
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska

pw.edu.pl
  arwena.nask.waw.pl
193.59.201.28
Warsaw/Mazovia/Poland (PL) - NASK


  dns.fuw.edu.pl
193.0.80.11
Warsaw/Mazovia/Poland (PL) - University of Warsaw


  europa.coi.pw.edu.pl
194.29.128.2
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska


  io.coi.pw.edu.pl
194.29.128.1
Warsaw/Mazovia/Poland (PL) - Politechnika Warszawska

edu.pl
  a-dns.pl / a-atm
192.102.225.53
Warsaw/Mazovia/Poland (PL) - Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy


 
2001:7f9::53
Warsaw/Mazovia/Poland (PL) - Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy


  b-dns.pl / b-decix
192.195.72.53
Warsaw/Mazovia/Poland (PL) - Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy


 
2001:7f9:c::53
Warsaw/Mazovia/Poland (PL) - Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy


  d-dns.pl / LHR4
185.159.197.48
Toronto/Ontario/Canada (CA) - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enreg


 
2620:10a:80aa::48
Toronto/Ontario/Canada (CA) - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enreg


  f-dns.pl / tld-all-ffm1@53029
194.0.25.29
Salzburg/Austria (AT) - NICat-anycast


 
2001:678:20::29
Salzburg/Austria (AT) - NICat-anycast


  h-dns.pl / FRA1
185.159.198.48
Ottawa/Ontario/Canada (CA) - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enreg


 
2620:10a:80ab::48
Montreal/Quebec/Canada (CA) - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enreg


  j-dns.pl / 8.fra.pch
204.61.217.4
Montreal/Quebec/Canada (CA) - WoodyNet, Inc.


 
2001:500:14:7004:ad::1
Montreal/Quebec/Canada (CA) - WoodyNet, Inc.

pl
  a-dns.pl / a-atm


  b-dns.pl / b-decix


  d-dns.pl / LHR4


  f-dns.pl / tld-all-ffm1@53029


  h-dns.pl / FRA2


  j-dns.pl / 16.fra.pch

 

4. SOA-Entries


Domain:pl
Zone-Name:pl
Primary:a-dns.pl
Mail:dnsmaster.nask.pl
Serial:1764672005
Refresh:900
Retry:300
Expire:2592000
TTL:3600
num Entries:6


Domain:edu.pl
Zone-Name:edu.pl
Primary:a-dns.pl
Mail:dnsmaster.nask.pl
Serial:1764672004
Refresh:900
Retry:300
Expire:2592000
TTL:3600
num Entries:12


Domain:pw.edu.pl
Zone-Name:pw.edu.pl
Primary:europa.coi.pw.edu.pl
Mail:admin.pw.edu.pl
Serial:2025111801
Refresh:10800
Retry:1800
Expire:3600000
TTL:86400
num Entries:4


Domain:ire.pw.edu.pl
Zone-Name:ire.pw.edu.pl
Primary:alfa.ire.pw.edu.pl
Mail:hostmaster.ire.pw.edu.pl
Serial:2025120201
Refresh:10800
Retry:3600
Expire:259200
TTL:86400
num Entries:3


Domain:ire.pw.edu.pl
Zone-Name:ire.pw.edu.pl
Primary:alfa.ire.pw.edu.pl
Mail:hostmaster.ire.pw.edu.pl
Serial:2025120202
Refresh:10800
Retry:3600
Expire:259200
TTL:86400
num Entries:1



Domain:pl
Zone-Name:pl
Primary:a-dns.pl
Mail:dnsmaster.nask.pl
Serial:1764672005
Refresh:900
Retry:300
Expire:2592000
TTL:3600
num Entries:6


Domain:edu.pl
Zone-Name:edu.pl
Primary:a-dns.pl
Mail:dnsmaster.nask.pl
Serial:1764672004
Refresh:900
Retry:300
Expire:2592000
TTL:3600
num Entries:12


Domain:pw.edu.pl
Zone-Name:pw.edu.pl
Primary:europa.coi.pw.edu.pl
Mail:admin.pw.edu.pl
Serial:2025111801
Refresh:10800
Retry:1800
Expire:3600000
TTL:86400
num Entries:4


Domain:elka.pw.edu.pl
Zone-Name:elka.pw.edu.pl
Primary:proton.elka.pw.edu.pl
Mail:root.proton.elka.pw.edu.pl
Serial:2025072400
Refresh:10800
Retry:3600
Expire:2592000
TTL:3600
num Entries:3


Domain:web2.elka.pw.edu.pl
Zone-Name:elka.pw.edu.pl
Primary:proton.elka.pw.edu.pl
Mail:root.proton.elka.pw.edu.pl
Serial:2025072400
Refresh:10800
Retry:3600
Expire:2592000
TTL:3600
num Entries:1


5. Screenshots

Startaddress: https://www.ire.pw.edu.pl/, address used: https://www.ire.pw.edu.pl/, Screenshot created 2025-12-02 11:47:26 +00:0

 

Mobil (412px x 732px)

 

1182 milliseconds

 

Screenshot mobile - https://www.ire.pw.edu.pl/
Mobil + Landscape (732px x 412px)

 

1107 milliseconds

 

Screenshot mobile landscape - https://www.ire.pw.edu.pl/
Screen (1280px x 1680px)

 

1335 milliseconds

 

Screenshot Desktop - https://www.ire.pw.edu.pl/

 

Mobile- and other Chrome-Checks


widthheight
visual Viewport397732
content Size3973391

 

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

 

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://ire.pw.edu.pl/
194.29.160.106
301
https://www.ire.pw.edu.pl/
Html is minified: 109.46 %
1.073
E
Server: nginx
Date: Tue, 02 Dec 2025 10:43:41 GMT
Connection: keep-alive
Location: https://www.ire.pw.edu.pl/
Content-Type: text/html
Content-Length: 162

• http://www.ire.pw.edu.pl/
194.29.160.106
301
https://www.ire.pw.edu.pl/
Html is minified: 109.46 %
0.027
A
Server: nginx
Date: Tue, 02 Dec 2025 10:43:41 GMT
Connection: keep-alive
Location: https://www.ire.pw.edu.pl/
Content-Type: text/html
Content-Length: 162

• https://ire.pw.edu.pl/
194.29.160.106
301
https://www.ire.pw.edu.pl/
Html is minified: 109.46 %
2.274
B
Server: nginx
Date: Tue, 02 Dec 2025 10:43:41 GMT
Connection: keep-alive
Location: https://www.ire.pw.edu.pl/
Content-Type: text/html
Content-Length: 162

• https://www.ire.pw.edu.pl/
194.29.160.106 gzip used - 21688 / 115562 - 81.23 %
Inline-JavaScript (∑/total): 9/6016 Inline-CSS (∑/total): 2/74
200

Html is minified: 129.07 %
Other inline scripts (∑/total): 0/0
8.057
I
Server: nginx
Date: Tue, 02 Dec 2025 10:43:46 GMT
Transfer-Encoding: chunked
Connection: keep-alive
Link: <https://www.ire.pw.edu.pl/wp-json/>; rel="https://api.w.org/",<https://www.ire.pw.edu.pl/wp-json/wp/v2/pages/425>; rel="alternate"; type="application/json",<https://www.ire.pw.edu.pl/>; rel=shortlink
Strict-Transport-Security: max-age=63072000
Content-Type: text/html; charset=UTF-8
Content-Encoding: gzip
Content-Length: 21688

• http://ire.pw.edu.pl/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
194.29.160.106
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
301
https://www.ire.pw.edu.pl/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Html is minified: 109.46 %
Other inline scripts (∑/total): 0/0
3.060
E
Visible Content:
Server: nginx
Date: Tue, 02 Dec 2025 10:43:58 GMT
Connection: keep-alive
Location: https://www.ire.pw.edu.pl/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Content-Type: text/html
Content-Length: 162

• http://www.ire.pw.edu.pl/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
194.29.160.106
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 110.61 %
Other inline scripts (∑/total): 0/0
0.030
A
Not Found
Visible Content:
Server: nginx
Date: Tue, 02 Dec 2025 10:43:58 GMT
Connection: keep-alive
Content-Type: text/html
Content-Length: 146

• https://www.ire.pw.edu.pl/.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: 110.61 %
Other inline scripts (∑/total): 0/0
3.490
A
Not Found
Visible Content:
Server: nginx
Date: Tue, 02 Dec 2025 10:44:06 GMT
Connection: keep-alive
Strict-Transport-Security: max-age=63072000
Content-Type: text/html
Content-Length: 146

• http://www.elka.pw.edu.pl/

301
https://www.elka.pw.edu.pl/
Html is minified: 109.03 %
0.100
A
Server: nginx/1.20.1
Date: Tue, 02 Dec 2025 10:44:14 GMT
Connection: keep-alive
Location: https://www.elka.pw.edu.pl/
Content-Type: text/html
Content-Length: 169

• https://194.29.160.106/
194.29.160.106
301
http://www.elka.pw.edu.pl/
Html is minified: 109.46 %
5.540
N
Certificate error: RemoteCertificateNameMismatch
Server: nginx
Date: Tue, 02 Dec 2025 10:43:58 GMT
Connection: keep-alive
Location: http://www.elka.pw.edu.pl/
Strict-Transport-Security: max-age=63072000
Content-Type: text/html
Content-Length: 162

• https://www.elka.pw.edu.pl/
gzip used - 25398 / 205440 - 87.64 %
Inline-JavaScript (∑/total): 5/1453 Inline-CSS (∑/total): 0/0
200

Html is minified: 192.48 %
Other inline scripts (∑/total): 0/0
2.490
A
Server: nginx/1.20.1
Date: Tue, 02 Dec 2025 10:44:14 GMT
Connection: keep-alive
Cache-Control: must-revalidate, no-cache
Pragma: no-cache
X-Powered-By: eZ Publish
Served-by: www.elka.pw.edu.pl
Vary: Accept-Encoding
Strict-Transport-Security: max-age=63072000
Content-Type: text/html; charset=utf-8
Content-Length: 25398
Expires: Mon, 26 Jul 1997 05:00:00 GMT
Last-Modified: Tue, 02 Dec 2025 10:44:14 GMT
Content-Language: pl-PL
Content-Encoding: gzip

 

7. Comments


1. General Results, most used to calculate the result

Aname "ire.pw.edu.pl" is subdomain, public suffix is ".edu.pl", top-level-domain is ".pl", top-level-domain-type is "country-code", Country is Poland, tld-manager is "Research and Academic Computer Network", num .pl-domains preloaded: 2145 (complete: 276475)
AGood: All ip addresses are public addresses
Warning: Only one ip address found: ire.pw.edu.pl has only one ip address.
Warning: Only one ip address found: www.ire.pw.edu.pl 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: ire.pw.edu.pl 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.ire.pw.edu.pl has no ipv6 address.
AGood: No asked Authoritative Name Server had a timeout
AGood: destination is https
AGood - only one version with Http-Status 200
AGood: one preferred version: www is preferred
AGood: No cookie sent via http.
HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
AGood: Some urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset):2 complete Content-Type - header (4 urls)
http://www.ire.pw.edu.pl/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 194.29.160.106


Url with incomplete Content-Type - header - missing charset
https://www.ire.pw.edu.pl/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de


Url with incomplete Content-Type - header - missing charset
Ahttp://www.ire.pw.edu.pl/ 194.29.160.106
301
https://www.ire.pw.edu.pl/
Correct redirect http - https with the same domain name
Bhttps://ire.pw.edu.pl/ 194.29.160.106
301

Missing HSTS-Header
Ehttp://ire.pw.edu.pl/ 194.29.160.106
301
https://www.ire.pw.edu.pl/
Wrong redirect one domain http to other domain https. First redirect to https without new dns query, so the server can send the HSTS header. That's fundamental using HSTS (Http Strict Transport Security). First step: Add correct redirects http ⇒ https. Perhaps in your port 80 vHost something like "RewriteEngine on" + "RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,QSA,R=permanent]" (two rows, without the "). Don't add this in your port 443 vHost, that would create a loop. Then recheck your domain, should be Grade C. There is the rule to select one https version as preferred version.
Fhttps://194.29.160.106/ 194.29.160.106
301
http://www.elka.pw.edu.pl/
Wrong redirect https - http - never redirect https to http
Ihttps://www.ire.pw.edu.pl/ 194.29.160.106
200

Content problems or problems with resources included - http links, files doesn't exist, different Content-Type definitions. Check the Html-Content - Part.
Nhttps://194.29.160.106/ 194.29.160.106
301
http://www.elka.pw.edu.pl/
Error - Certificate isn't trusted, RemoteCertificateNameMismatch
Oire.pw.edu.pl / 194.29.160.106 / 443


Old connection: Cipher Suites without Forward Secrecy (FS) found. Remove all of these Cipher Suites, use only Cipher Suites with Forward Secrecy: Starting with ECDHE- or DHE - the last "E" says: "ephemeral". Or use Tls.1.3, then all Cipher Suites use FS. 16 Cipher Suites without Forward Secrecy found
XFatal error: Nameserver doesn't support TCP connection: a-dns.pl: ServerFailure
XFatal error: Nameserver doesn't support TCP connection: europa.coi.pw.edu.pl / 194.29.128.2: Timeout
XFatal error: Nameserver doesn't support TCP connection: j-dns.pl / 204.61.217.4: Timeout
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 ire.pw.edu.pl, 1 ip addresses.
Info: Checking all ip addresses of that domain without sending the hostname only one certificate found. Checking all ip addresses and sending the hostname only one certificate found. Both certificates are different. So that domain requires Server Name Indication (SNI), so the server is able to select the correct certificate.: Domain www.ire.pw.edu.pl, 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.ire.pw.edu.pl

2. Header-Checks

Fwww.ire.pw.edu.pl 194.29.160.106
Content-Security-Policy
Critical: Missing Header:
Fwww.ire.pw.edu.pl 194.29.160.106
X-Content-Type-Options
Critical: Missing Header:
Fwww.ire.pw.edu.pl 194.29.160.106
Referrer-Policy
Critical: Missing Header:
Fwww.ire.pw.edu.pl 194.29.160.106
Permissions-Policy
Critical: Missing Header:
Bwww.ire.pw.edu.pl 194.29.160.106
Cross-Origin-Embedder-Policy
Info: Missing Header
Bwww.ire.pw.edu.pl 194.29.160.106
Cross-Origin-Opener-Policy
Info: Missing Header
Bwww.ire.pw.edu.pl 194.29.160.106
Cross-Origin-Resource-Policy
Info: Missing Header

3. DNS- and NameServer - Checks

AInfo:: 19 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 2 Name Servers.
AInfo:: 19 Queries complete, 9 with IPv6, 10 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.europa.coi.pw.edu.pl (194.29.128.2), io.coi.pw.edu.pl (194.29.128.1)
Bad (greater 8):: An average of 9.5 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 4 different Name Servers found: alfa.ire.pw.edu.pl, europa.coi.pw.edu.pl, io.coi.pw.edu.pl, proton.elka.pw.edu.pl, 4 Name Servers included in Delegation: alfa.ire.pw.edu.pl, europa.coi.pw.edu.pl, io.coi.pw.edu.pl, proton.elka.pw.edu.pl, 4 Name Servers included in 1 Zone definitions: alfa.ire.pw.edu.pl, europa.coi.pw.edu.pl, io.coi.pw.edu.pl, proton.elka.pw.edu.pl, 1 Name Servers listed in SOA.Primary: alfa.ire.pw.edu.pl.
AGood: Only one SOA.Primary Name Server found.: alfa.ire.pw.edu.pl.
AGood: SOA.Primary Name Server included in the delegation set.: alfa.ire.pw.edu.pl.
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: alfa.ire.pw.edu.pl, europa.coi.pw.edu.pl, io.coi.pw.edu.pl, proton.elka.pw.edu.pl
AGood: All Name Server Domain Names have a Public Suffix.
AGood: All Name Server Domain Names ending with a Public Suffix have minimal one IPv4- or IPv6 address.
AGood: All Name Server ip addresses are public.
AGood: Minimal 2 different name servers (public suffix and public ip address) found: 4 different Name Servers found
Warning: No Name Server IPv6 address found. IPv6 is the future, so your name servers should be visible via IPv6.: 4 different Name Servers found
Warning: All Name Servers have the same Top Level Domain / Public Suffix. If there is a problem with that Top Level Domain, your domain may be affected. Better: Use Name Servers with different top level domains.: 4 Name Servers, 1 Top Level Domain: edu.pl
Warning: All Name Servers have the same domain name. If there is a problem with that domain name (or with the name servers of that domain name), your domain may be affected. Better: Use Name Servers with different domain names / different top level domains.: Only one domain name used: pw.edu.pl
Warning: All Name Servers from the same Country / IP location.: 4 Name Servers, 1 Countries: PL
AInfo: Ipv4-Subnet-list: 4 Name Servers, 1 different subnets (first Byte): 194., 1 different subnets (first two Bytes): 194.29., 3 different subnets (first three Bytes): 194.29.128., 194.29.160., 194.29.164.
AGood: Name Server IPv4-addresses from different subnet found:
AInfo: Nameserver mit different domain names found. May be a problem with DNS-Updates
AGood: Nameserver supports TCP connections: 4 good Nameserver
AGood: Nameserver supports Echo Capitalization: 4 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 4 good Nameserver
Nameserver doesn't pass all EDNS-Checks: a-dns.pl: OP100: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. FLAGS: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. V1DNSSEC: ok. NSID: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found (a-atm). COOKIE: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: alfa.ire.pw.edu.pl / 194.29.164.1: OP100: fatal timeout. FLAGS: fatal timeout. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: fatal timeout. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: proton.elka.pw.edu.pl / 194.29.160.1: OP100: fatal timeout. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: fatal timeout. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
XFatal error: Nameservers with different SOA Serial Numbers
AGood: CAA entries found, creating certificate is limited: harica.gr is allowed to create certificates

4. Content- and Performance-critical Checks

AGood: All checks /.well-known/acme-challenge/random-filename without redirects answer with the expected http status 404 - Not Found. Creating a Letsencrypt certificate via http-01 challenge should work. If it doesn't work: Check your vHost configuration (apachectl -S, httpd -S, nginx -T). Every combination of port and ServerName / ServerAlias (Apache) or Server (Nginx) must be unique. Merge duplicated entries in one vHost. If you use an IIS, extensionless files must be allowed in the /.well-known/acme-challenge subdirectory. Create a web.config in that directory. Content: <configuration><system.webServer><staticContent><mimeMap fileExtension="." mimeType="text/plain" /></staticContent></system.webServer></configuration>. If you have a redirect http ⇒ https, that's ok, Letsencrypt follows such redirects to port 80 / 443 (same or other server). There must be a certificate. But the certificate may be expired, self signed or with a not matching domain name. Checking the validation file Letsencrypt ignores such certificate errors. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
AGood: Every https result with status 200 and greater 1024 Bytes is compressed (gzip, deflate, br checked).
https://www.ire.pw.edu.pl/ 194.29.160.106
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.elka.pw.edu.pl/
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.ire.pw.edu.pl/ 194.29.160.106
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.elka.pw.edu.pl/
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.ire.pw.edu.pl/ 194.29.160.106
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.elka.pw.edu.pl/
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.
AGood: Some script Elements (type text/javascript) with a src-Attribute have a defer / async - Attribute. So loading and executing these JavaScripts doesn't block parsing and rendering the Html-Output.
https://www.ire.pw.edu.pl/ 194.29.160.106
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.: 19 script elements without defer/async.
https://www.elka.pw.edu.pl/
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.: 7 script elements without defer/async.
Warning: CSS / JavaScript found without Compression. Compress these ressources, gzip, deflate, br are checked. 19 external CSS / JavaScript files without Compression found - 22 with Compression, 41 complete
AGood: All images with internal compression not compressed. Some Images (.png, .jpg, .jpeg, .webp, .gif) are already compressed, so an additional compression isn't helpful. 36 images (type image/png, image/jpg, image/jpeg, image/webp, image/gif) found without additional Compression. Not required because these images are already compressed
Warning: CSS / JavaScript files with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 0 external CSS / JavaScript files without Cache-Control-Header, 0 with Cache-Control, but no max-age, 5 with Cache-Control max-age too short (minimum 7 days), 37 with Cache-Control long enough, 42 complete.
Warning: Images with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 5 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), 36 with Cache-Control long enough, 41 complete.
AGood: All checked attribute values are enclosed in quotation marks (" or ').
AGood: Some img-elements have a valid alt-attribute.: 38 img-elements found, 21 img-elements with correct alt-attributes (defined, not an empty value).
Wrong: img-elements without alt-attribute or empty alt-attribute found. The alt-attribute ("alternative") is required and should describe the img. So Screenreader and search engines are able to use these informations.: 0 img-elements without alt-attribute, 17 img-elements with empty alt-attribute found.
AGood: Domainname is not on the "Specially Designated Nationals And Blocked Persons List" (SDN). That's an US-list of individuals and companies owned or controlled by, or acting for or on behalf of, targeted countries. It also lists individuals, groups, and entities, such as terrorists and narcotics traffickers designated under programs that are not country-specific. Collectively, such individuals and companies are called "Specially Designated Nationals" or "SDNs." Their assets are blocked and U.S. persons are generally prohibited from dealing with them. So if a domain name is on that list, it's impossible to create a Letsencrypt certificate with that domain name. Check the list manual - https://www.treasury.gov/resource-center/sanctions/sdn-list/pages/default.aspx
https://www.ire.pw.edu.pl/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
3.490 seconds
Warning: 404 needs more then one second
AInfo: Different Server-Headers found
ADuration: 363880 milliseconds, 363.880 seconds

 

8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
ire.pw.edu.pl
194.29.160.106
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
ire.pw.edu.pl
194.29.160.106
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
no http/2 via ALPN 
SNI required
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
SNI required
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain (complete)

1CN=ire.pw.edu.pl


2CN=R12, O=Let's Encrypt, C=US


www.ire.pw.edu.pl
194.29.160.106
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok

www.ire.pw.edu.pl
194.29.160.106
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
no http/2 via ALPN 
SNI required
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
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=ire.pw.edu.pl, O=Politechnika Warszawska, L=Warszawa, C=PL, ST=mazowieckie


2CN=GEANT TLS RSA 1, O=Hellenic Academic and Research Institutions CA, C=GR


3CN=HARICA TLS RSA Root CA 2021, O=Hellenic Academic and Research Institutions CA, C=GR


4CN=Hellenic Academic and Research Institutions RootCA 2015, O=Hellenic Academic and Research Institutions Cert. Authority, L=Athens, C=GR


www.ire.pw.edu.pl
www.ire.pw.edu.pl
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok

www.ire.pw.edu.pl
www.ire.pw.edu.pl
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
no http/2 via ALPN 
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
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=ire.pw.edu.pl, O=Politechnika Warszawska, L=Warszawa, C=PL, ST=mazowieckie


2CN=GEANT TLS RSA 1, O=Hellenic Academic and Research Institutions CA, C=GR


3CN=HARICA TLS RSA Root CA 2021, O=Hellenic Academic and Research Institutions CA, C=GR


4CN=Hellenic Academic and Research Institutions RootCA 2015, O=Hellenic Academic and Research Institutions Cert. Authority, L=Athens, C=GR


194.29.160.106
194.29.160.106
443
name does not match
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok

194.29.160.106
194.29.160.106
443
name does not match
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
no http/2 via ALPN 
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
Cert sent without SNI
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain (complete)

1CN=web2.elka.pw.edu.pl


2CN=R13, O=Let's Encrypt, C=US


www.elka.pw.edu.pl
www.elka.pw.edu.pl
443
ok
Tls12
ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok

www.elka.pw.edu.pl
www.elka.pw.edu.pl
443
ok
Tls12

ECDH Ephermal
255
Aes256
256
Sha384
not supported
ok
no http/2 via ALPN 
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
no http/2 via ALPN
Tls.1.2
no Tls.1.1
no Tls.1.0
no Ssl3
no Ssl2
Chain (complete)

1CN=www.elka.pw.edu.pl


2CN=R12, O=Let's Encrypt, C=US

 

9. Certificates

1.
1.
CN=ire.pw.edu.pl
06.10.2025
04.01.2026
expires in 26 days
ire.pw.edu.pl - 1 entry
1.
1.
CN=ire.pw.edu.pl
06.10.2025

04.01.2026
expires in 26 days


ire.pw.edu.pl - 1 entry

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0520DA05B5CEC4091405EFA93D74C5C24C17
Thumbprint:CC015276F517AE13F109161E5F215025EF76D37F
SHA256 / Certificate:ZzgB6+VP18x6RG1SVqNEXiCfHR2M3D2T5eei9VnBwHE=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):28d2073e6b93836918189a3c2e6ffdee73a8d93ca43e0ebec86a1fddd8d44acf
SHA256 hex / Subject Public Key Information (SPKI):28d2073e6b93836918189a3c2e6ffdee73a8d93ca43e0ebec86a1fddd8d44acf (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:
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=R12, O=Let's Encrypt, C=US
13.03.2024
13.03.2027
expires in 459 days


2.
CN=R12, O=Let's Encrypt, C=US
13.03.2024

13.03.2027
expires in 459 days




KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:00C212324B70A9B49171DC40F7E285263C
Thumbprint:EE44782835D8FB31394DA5CEB840DC93849BCF5A
SHA256 / Certificate:Ex/Od4QBaJmloAIDqe/IDxjrvXVYBxftwVU1gJMINuw=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):919c0df7a787b597ed056ace654b1de9c0387acf349f73734a4fd7b58cf612a4
SHA256 hex / Subject Public Key Information (SPKI):
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 3464 days


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

04.06.2035
expires in 3464 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=ire.pw.edu.pl, O=Politechnika Warszawska, L=Warszawa, S=mazowieckie, C=PL
21.05.2025
21.05.2026
expires in 163 days
ire.pw.edu.pl, www.ire.pw.edu.pl - 2 entries
2.
1.
CN=ire.pw.edu.pl, O=Politechnika Warszawska, L=Warszawa, S=mazowieckie, C=PL
21.05.2025

21.05.2026
expires in 163 days


ire.pw.edu.pl, www.ire.pw.edu.pl - 2 entries

KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:24DA24A919014150ACD8843CC01B735C
Thumbprint:D6FC0DBB9583DFFC80D6E1CE89FCB58E5EA9421B
SHA256 / Certificate:uTlRs+6BA6Jx4wCTyflRWLbHU5S1CPYHtRH4YOWixK0=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):20335a280492882515948567a87cc1025ca78f614a6bec164031e3815e9a0e86
SHA256 hex / Subject Public Key Information (SPKI):20335a280492882515948567a87cc1025ca78f614a6bec164031e3815e9a0e86 (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:http://ocsp-tls.harica.gr
OCSP - must staple:no
Certificate Transparency:yes
Enhanced Key Usage:Clientauthentifizierung (1.3.6.1.5.5.7.3.2), Serverauthentifizierung (1.3.6.1.5.5.7.3.1)




2.
CN=ire.pw.edu.pl, O=Politechnika Warszawska, L=Warszawa, S=mazowieckie, C=PL
21.05.2025
21.05.2026
expires in 163 days
ire.pw.edu.pl, www.ire.pw.edu.pl - 2 entries

2.
CN=ire.pw.edu.pl, O=Politechnika Warszawska, L=Warszawa, S=mazowieckie, C=PL
21.05.2025

21.05.2026
expires in 163 days


ire.pw.edu.pl, www.ire.pw.edu.pl - 2 entries

KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:24DA24A919014150ACD8843CC01B735C
Thumbprint:D6FC0DBB9583DFFC80D6E1CE89FCB58E5EA9421B
SHA256 / Certificate:uTlRs+6BA6Jx4wCTyflRWLbHU5S1CPYHtRH4YOWixK0=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):20335a280492882515948567a87cc1025ca78f614a6bec164031e3815e9a0e86
SHA256 hex / Subject Public Key Information (SPKI):20335a280492882515948567a87cc1025ca78f614a6bec164031e3815e9a0e86 (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:http://ocsp-tls.harica.gr
OCSP - must staple:no
Certificate Transparency:yes
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=GEANT TLS RSA 1, O=Hellenic Academic and Research Institutions CA, C=GR
03.01.2025
31.12.2039
expires in 5135 days


3.
CN=GEANT TLS RSA 1, O=Hellenic Academic and Research Institutions CA, C=GR
03.01.2025

31.12.2039
expires in 5135 days




KeyalgorithmRSA encryption ( bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:14D57BF3692228219A5567FA91651B22
Thumbprint:BE7F0B36F88A22DDDED362DB9AF79C8E6582B919
SHA256 / Certificate:W2eNxECVpSiVtjsx8nIn9LNsPjR0kb8r+mkYN6X7jHk=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):a2138538babecf3f0d007c8cbd6b3313636f111712cafd7decb83c54753c45a7
SHA256 hex / Subject Public Key Information (SPKI):
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)




4.
CN=GEANT TLS RSA 1, O=Hellenic Academic and Research Institutions CA, C=GR
03.01.2025
31.12.2039
expires in 5135 days


4.
CN=GEANT TLS RSA 1, O=Hellenic Academic and Research Institutions CA, C=GR
03.01.2025

31.12.2039
expires in 5135 days




KeyalgorithmRSA encryption ( bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:14D57BF3692228219A5567FA91651B22
Thumbprint:BE7F0B36F88A22DDDED362DB9AF79C8E6582B919
SHA256 / Certificate:W2eNxECVpSiVtjsx8nIn9LNsPjR0kb8r+mkYN6X7jHk=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):a2138538babecf3f0d007c8cbd6b3313636f111712cafd7decb83c54753c45a7
SHA256 hex / Subject Public Key Information (SPKI):
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)




5.
CN=HARICA TLS RSA Root CA 2021, O=Hellenic Academic and Research Institutions CA, C=GR
02.09.2021
31.08.2029
expires in 1361 days


5.
CN=HARICA TLS RSA Root CA 2021, O=Hellenic Academic and Research Institutions CA, C=GR
02.09.2021

31.08.2029
expires in 1361 days




KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:2A6086D4D4DE45C95E4B98FBBF2FBF26
Thumbprint:7140C40C2800A5C60523CEBF682D134ED17EDB0E
SHA256 / Certificate:Ss2NxgIKVFqFiUOlU7Xg8/xbhZrqF0ZlDWnPEhD5Vtg=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):693c9aa6b245b3b0261637750863eadb6c248a16e52d6f4bc90c86bbf32d7042
SHA256 hex / Subject Public Key Information (SPKI):
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)




6.
CN=HARICA TLS RSA Root CA 2021, O=Hellenic Academic and Research Institutions CA, C=GR
19.02.2021
13.02.2045
expires in 7006 days


6.
CN=HARICA TLS RSA Root CA 2021, O=Hellenic Academic and Research Institutions CA, C=GR
19.02.2021

13.02.2045
expires in 7006 days




KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:39CA931CEF43F3C68E93C7F46489387E
Thumbprint:022D0582FA88CE140C0679DE7F1410E945D7A56D
SHA256 / Certificate:2V0Ojtp5Ulv5vrEbFNIQDTKUmF8MYtn6vZzZmezLex0=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):693c9aa6b245b3b0261637750863eadb6c248a16e52d6f4bc90c86bbf32d7042
SHA256 hex / Subject Public Key Information (SPKI):
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:





7.
CN=Hellenic Academic and Research Institutions RootCA 2015, O=Hellenic Academic and Research Institutions Cert. Authority, L=Athens, C=GR
07.07.2015
30.06.2040
expires in 5317 days


7.
CN=Hellenic Academic and Research Institutions RootCA 2015, O=Hellenic Academic and Research Institutions Cert. Authority, L=Athens, C=GR
07.07.2015

30.06.2040
expires in 5317 days




KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:00
Thumbprint:010C0695A6981914FFBF5FC6B0B695EA29E912A6
SHA256 / Certificate:oECSmgLOU7Ss9PL/xpgc5ElvdV5tRf4LKmkrzVJSPzY=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):50cc86ba96db3263c79a43ead07553d9f56659e6907e72d8c026637a1cdc85dc
SHA256 hex / Subject Public Key Information (SPKI):50cc86ba96db3263c79a43ead07553d9f56659e6907e72d8c026637a1cdc85dc
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:




3.
1.
CN=web2.elka.pw.edu.pl
30.09.2025
29.12.2025
expires in 20 days
web2.elka.pw.edu.pl - 1 entry
3.
1.
CN=web2.elka.pw.edu.pl
30.09.2025

29.12.2025
expires in 20 days


web2.elka.pw.edu.pl - 1 entry

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:053F18BF0B62C3210665DC216F3F875CEEA2
Thumbprint:EA7C018CE044468D8BB15B57BCAD499870CFBA05
SHA256 / Certificate:H7DAFMaA+v7JqoX0eWd5V3hbKSEKxssjA99uY+WAqE8=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):2019fc33c783f6fddac5085df72c4c012651344147453c0f6d027a6974e00e94
SHA256 hex / Subject Public Key Information (SPKI):2019fc33c783f6fddac5085df72c4c012651344147453c0f6d027a6974e00e94 (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:
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=R13, O=Let's Encrypt, C=US
13.03.2024
13.03.2027
expires in 459 days


2.
CN=R13, O=Let's Encrypt, C=US
13.03.2024

13.03.2027
expires in 459 days




KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:5A00F212D8D4B480F3924157EA298305
Thumbprint:22FF89586561FC2D52F77491E9F1EFF1B80BE33E
SHA256 / Certificate:07EoIWqEP47xMhUB9d9Spd9Sk57iwZKXcSzT3k1Bk1Q=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):025490860b498ab73c6a12f27a49ad5fe230fafe3ac8f6112c9b7d0aad46941d
SHA256 hex / Subject Public Key Information (SPKI):
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 3464 days


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

04.06.2035
expires in 3464 days




KeyalgorithmRSA encryption (4096 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:008210CFB0D240E3594463E0BB63828B00
Thumbprint:CABD2A79A1076A31F21D253635CB039D4329A5E8
SHA256 / Certificate:lrzsBiZJdvN0YHeazyjFp8/oo8Cq4RqP/O4FwL3fCMY=
SHA256 hex / Cert (DANE * 0 1):96bcec06264976f37460779acf28c5a7cfe8a3c0aae11a8ffcee05c0bddf08c6
SHA256 hex / PublicKey (DANE * 1 1):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
SHA256 hex / Subject Public Key Information (SPKI):0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:




4.
1.
CN=www.elka.pw.edu.pl
08.11.2025
06.02.2026
expires in 59 days
www.elka.pw.edu.pl - 1 entry
4.
1.
CN=www.elka.pw.edu.pl
08.11.2025

06.02.2026
expires in 59 days


www.elka.pw.edu.pl - 1 entry

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:056C2A1AC936D66749B2FCD9D45A05B1F7A0
Thumbprint:35702C2297E0874D9BA980272DA9DB95DFC8C101
SHA256 / Certificate:xJKEMXOFyMoBwkf8iQoFIMOk+y++jkbTeWGtiOrzcGY=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):0024c60a0923c6af78caec8f311e8c472c680e587df9c622c195fa0dd1f2a472
SHA256 hex / Subject Public Key Information (SPKI):0024c60a0923c6af78caec8f311e8c472c680e587df9c622c195fa0dd1f2a472 (is buggy, ignore the result)
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Check unknown. No result 404 / 200
OCSP - Url:
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=R12, O=Let's Encrypt, C=US
13.03.2024
13.03.2027
expires in 459 days


2.
CN=R12, O=Let's Encrypt, C=US
13.03.2024

13.03.2027
expires in 459 days




KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:00C212324B70A9B49171DC40F7E285263C
Thumbprint:EE44782835D8FB31394DA5CEB840DC93849BCF5A
SHA256 / Certificate:Ex/Od4QBaJmloAIDqe/IDxjrvXVYBxftwVU1gJMINuw=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):919c0df7a787b597ed056ace654b1de9c0387acf349f73734a4fd7b58cf612a4
SHA256 hex / Subject Public Key Information (SPKI):
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 3464 days


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

04.06.2035
expires in 3464 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=R12, O=Let's Encrypt, C=US
0
2
2
CN=GEANT TLS RSA 1, O=Hellenic Academic and Research Institutions CA, C=GR
0
1
1
CN=GEANT OV RSA CA 4, O=GEANT Vereniging, C=NL
0
0
1

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
12163943812
leaf cert
CN=R12, O=Let's Encrypt, C=US
2025-10-05 23:46:33
2026-01-03 23:46:32
ire.pw.edu.pl - 1 entries


12125569068
leaf cert
CN=R12, O=Let's Encrypt, C=US
2025-10-02 23:08:31
2025-12-31 23:08:30
www.ire.pw.edu.pl - 1 entries


10485679450
precert
CN=GEANT TLS RSA 1, O=Hellenic Academic and Research Institutions CA, C=GR
2025-05-21 06:50:17
2026-05-21 06:50:17
ire.pw.edu.pl, www.ire.pw.edu.pl - 2 entries


8815406451
leaf cert
CN=GEANT OV RSA CA 4, O=GEANT Vereniging, C=NL
2024-12-02 00:00:00
2025-12-02 23:59:59
ire.pw.edu.pl, www.ire.pw.edu.pl - 2 entries


 

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

No CRT - CT-Log entries found

 

11. Html-Content - Entries

Summary


Subresource Integrity (SRI)
DomainnameHtmlElementrel/property∑ size∑ problems∑ int.∑ ext.∑ Origin poss.∑ SRI ParseErrors∑ SRI valid∑ SRI missing
https://www.ire.pw.edu.pl/
194.29.160.106
a

133

0


0
0
0


form

1
21,687 Bytes
0
1
0
0
0
0


img

16
533,433 Bytes
0
36
0
0
0
0


link
alternate
5

0


0
0
0


link
dns-prefetch
3

0


0
0
0


link
stylesheet
21
163,140 Bytes
0
17
4
4
0
0
-4

link
other
8
1,579 Bytes
0
0
1
1
0
0
-1

meta
other
9

0


0
0
0


script

21
511,880 Bytes
21
20
1
1
0
0
-1
https://www.elka.pw.edu.pl/
a

453

0


0
0
0


form

1

0


0
0
0


img

22

0


0
0
0


link
Alternate
1

0


0
0
0


link
stylesheet
43

0


0
0
0


link
other
8

0


0
0
0


meta
other
10

0


0
0
0


script

8

0


0
0
0

 

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

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsgStatus
https://www.ire.pw.edu.pl/
194.29.160.106
a

#


8
ok















a

#content


1
ok















a

/


1
ok















a

//www.ire.pw.edu.pl/


1
ok















a

/dydaktyka/aktualnosci/


1
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link
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link
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Problems with Content-Type - Header - see details
defer attribute found application/javascript
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This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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defer attribute found application/javascript
missing X-Content-Type-Options nosniff


This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Missing defer / async attribute. application/javascript
missing X-Content-Type-Options nosniff


This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Problems with Content-Type - Header - see details
Missing defer / async attribute. application/javascript
missing X-Content-Type-Options nosniff


This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Problems with Content-Type - Header - see details
Missing defer / async attribute. application/javascript
missing X-Content-Type-Options nosniff


This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Missing defer / async attribute. application/javascript
missing X-Content-Type-Options nosniff


This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Problems with Content-Type - Header - see details
Missing defer / async attribute. application/javascript
missing X-Content-Type-Options nosniff


This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Problems with Content-Type - Header - see details
Missing defer / async attribute. application/javascript
missing X-Content-Type-Options nosniff


This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Missing defer / async attribute. application/javascript
missing X-Content-Type-Options nosniff


This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Missing defer / async attribute. application/javascript
missing X-Content-Type-Options nosniff


This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Problems with Content-Type - Header - see details
Missing defer / async attribute. application/javascript
missing X-Content-Type-Options nosniff


This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Missing defer / async attribute. application/javascript
missing X-Content-Type-Options nosniff


This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Missing defer / async attribute. application/javascript
missing X-Content-Type-Options nosniff


This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Missing defer / async attribute. application/javascript
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This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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Missing defer / async attribute. application/javascript
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This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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This Combination of MediaType "application" and MediaSubType "javascript" is obsolete. Don't use it. See https://www.iana.org/assignments/media-types/media-types.xhtml to find a correct Combination. Use "text/javascript" instead.


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1
ok















meta
generator
eZ Publish


1
ok















meta
keywords
cms, publish, e-commerce, content management, development framework


1
ok















meta
MSSmartTagsPreventParsing
TRUE


1
ok















meta
viewport
width=1170


1
ok















script
src
/design/wwwglowna/javascript/frames.js


1
ok
Missing defer / async attribute.














script
src
/design/wwwglowna/javascript/jquery.carouFredSel-6.2.1.js


1
ok
Missing defer / async attribute.














script
src
/design/wwwglowna/javascript/toolbarspw.js


1
ok
Missing defer / async attribute.














script
src
/extension/ezflow/design/ezflow/javascript/insertmedia.js


1
ok
Missing defer / async attribute.














script
src
/extension/ezjscore/design/standard/javascript/jquery-1.7.2.min.js


1
ok
Missing defer / async attribute.














script
src
/extension/ezjscore/design/standard/javascript/jquery-ui-1.8.18.custom.min.js


1
ok
Missing defer / async attribute.














script
src
/extension/oplightbox2/design/ezflow/javascript/prettyphoto/js/jquery.prettyPhoto.js


1
ok
Missing defer / async attribute.














script
src
https://www.googletagmanager.com/gtag/js?id=G-7BLR3GKZFD


1
ok
async attribute found













 

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

Url used (first standard-https-result with http status 200): https://www.ire.pw.edu.pl/

Summary

Good: No non-document-errors
17 errors
36 warnings

TypeMessagenum found
1.errorCSS: font-weight: Parse Error.8
2.errorNo p element in scope but a p end tag seen.5
3.errorElement style not allowed as child of element div in this context. (Suppressing further errors from this subtree.)3
4.errorAn element with role=menuitem must be contained in, or owned by, an element with the role value menubar, or menu.1
5.warningThe type attribute is unnecessary for JavaScript resources.29
6.warningThe type attribute for the style element is not needed and should be omitted.7

Details


TypeMessage + Sample
1errorCSS: font-weight: Parse Error.

From line 117, column 15 to line 117, column 15

font-weight :; line-height
2errorCSS: font-weight: Parse Error.

From line 150, column 15 to line 150, column 15

font-weight :; line-height
3errorCSS: font-weight: Parse Error.

From line 312, column 15 to line 312, column 15

font-weight :; font-style:
4errorCSS: font-weight: Parse Error.

From line 319, column 15 to line 319, column 15

font-weight :; font-style:
5errorCSS: font-weight: Parse Error.

From line 326, column 15 to line 326, column 15

font-weight :; font-style:
6errorCSS: font-weight: Parse Error.

From line 333, column 15 to line 333, column 15

font-weight :; font-style:
7errorCSS: font-weight: Parse Error.

From line 340, column 15 to line 340, column 15

font-weight :; font-style:
8errorCSS: font-weight: Parse Error.

From line 347, column 15 to line 347, column 15

font-weight :; font-style:
9errorAn element with role=menuitem must be contained in, or owned by, an element with the role value menubar, or menu.

From line 786, column 241 to line 786, column 361

-ls-2-en"><a title="Przełącz na angielski" href="https://www.ire.pw.edu.pl/en/" aria-label="Przełącz na angielski" role="menuitem"><img
10errorElement style not allowed as child of element div in this context. (Suppressing further errors from this subtree.)

From line 817, column 3 to line 817, column 46

70373"> <style data-type="vc_shortcodes-custom-css">.vc_cu
11errorNo p element in scope but a p end tag seen.

From line 824, column 1 to line 824, column 4

lip;]</p> </p></div>
12errorElement style not allowed as child of element div in this context. (Suppressing further errors from this subtree.)

From line 847, column 3 to line 847, column 46

70373"> <style data-type="vc_shortcodes-custom-css">.vc_cu
13errorNo p element in scope but a p end tag seen.

From line 854, column 1 to line 854, column 4

lip;]</p> </p></div>
14errorNo p element in scope but a p end tag seen.

From line 862, column 1 to line 862, column 4

zamy!</p> </p></div>
15errorElement style not allowed as child of element div in this context. (Suppressing further errors from this subtree.)

From line 878, column 3 to line 878, column 46

70373"> <style data-type="vc_shortcodes-custom-css">.vc_cu
16errorNo p element in scope but a p end tag seen.

From line 885, column 1 to line 885, column 4

lip;]</p> </p></div>
17errorNo p element in scope but a p end tag seen.

From line 893, column 1 to line 893, column 4

nbsp;</p> </p></div>
18warningThe type attribute is unnecessary for JavaScript resources.

From line 17, column 1 to line 17, column 31

feed/" /> <script type="text/javascript"> /* <!
19warningThe type attribute for the style element is not needed and should be omitted.

From line 25, column 1 to line 25, column 55

='all' /> <style id='wp-emoji-styles-inline-css' type='text/css'> img
20warningThe type attribute for the style element is not needed and should be omitted.

From line 41, column 1 to line 41, column 60

='all' /> <style id='classic-theme-styles-inline-css' type='text/css'> /*! T
21warningThe type attribute for the style element is not needed and should be omitted.

From line 45, column 1 to line 45, column 53

</style> <style id='global-styles-inline-css' type='text/css'> body{
22warningThe type attribute for the style element is not needed and should be omitted.

From line 63, column 1 to line 63, column 60

='all' /> <style id='seoengine-responsive-inline-css' type='text/css'> .rdt
23warningThe type attribute for the style element is not needed and should be omitted.

From line 570, column 1 to line 570, column 53

='all' /> <style id='__EPYT__style-inline-css' type='text/css'>
24warningThe type attribute is unnecessary for JavaScript resources.

From line 577, column 446 to line 577, column 512

/noscript><script type="text/javascript" id="layerslider-greensock-js-extra"> /* <!
25warningThe type attribute is unnecessary for JavaScript resources.

From line 582, column 1 to line 582, column 191

</script> <script type="text/javascript" data-cfasync="false" src="https://www.ire.pw.edu.pl/wp-content/plugins/LayerSlider/static/layerslider/js/greensock.js?ver=1.19.0" id="layerslider-greensock-js"></scri
26warningThe type attribute is unnecessary for JavaScript resources.

From line 583, column 1 to line 583, column 129

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-includes/js/jquery/jquery.min.js?ver=3.7.1" id="jquery-core-js"></scri
27warningThe type attribute is unnecessary for JavaScript resources.

From line 584, column 1 to line 584, column 140

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1" id="jquery-migrate-js"></scri
28warningThe type attribute is unnecessary for JavaScript resources.

From line 585, column 1 to line 585, column 203

</script> <script type="text/javascript" data-cfasync="false" src="https://www.ire.pw.edu.pl/wp-content/plugins/LayerSlider/static/layerslider/js/layerslider.kreaturamedia.jquery.js?ver=6.6.2" id="layerslider-js"></scri
29warningThe type attribute is unnecessary for JavaScript resources.

From line 586, column 1 to line 586, column 206

</script> <script type="text/javascript" data-cfasync="false" src="https://www.ire.pw.edu.pl/wp-content/plugins/LayerSlider/static/layerslider/js/layerslider.transitions.js?ver=6.6.2" id="layerslider-transitions-js"></scri
30warningThe type attribute is unnecessary for JavaScript resources.

From line 587, column 1 to line 587, column 60

</script> <script type="text/javascript" id="addtoany-core-js-before"> /* <!
31warningThe type attribute is unnecessary for JavaScript resources.

From line 613, column 1 to line 613, column 106

</script> <script type="text/javascript" defer src="https://static.addtoany.com/menu/page.js" id="addtoany-core-js"></scri
32warningThe type attribute is unnecessary for JavaScript resources.

From line 614, column 1 to line 614, column 147

</script> <script type="text/javascript" defer src="https://www.ire.pw.edu.pl/wp-content/plugins/add-to-any/addtoany.min.js?ver=1.1" id="addtoany-jquery-js"></scri
33warningThe type attribute is unnecessary for JavaScript resources.

From line 615, column 1 to line 615, column 57

</script> <script type="text/javascript" id="__ytprefs__-js-extra"> /* <!
34warningThe type attribute is unnecessary for JavaScript resources.

From line 620, column 1 to line 620, column 157

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/plugins/youtube-embed-plus/scripts/ytprefs.min.js?ver=14.2.3.2" id="__ytprefs__-js"></scri
35warningThe type attribute for the style element is not needed and should be omitted.

From line 631, column 1 to line 631, column 61

Press."/> <style type="text/css" data-type="vc_shortcodes-default-css">.vc_do
36warningThe type attribute for the style element is not needed and should be omitted.

From line 631, column 129 to line 631, column 188

;}</style><style type="text/css" data-type="vc_shortcodes-custom-css">.vc_cu
37warningThe type attribute is unnecessary for JavaScript resources.

From line 804, column 251 to line 804, column 302

_element"><script data-cfasync="false" type="text/javascript">var ls
38warningThe type attribute is unnecessary for JavaScript resources.

From line 804, column 334 to line 804, column 385

;</script><script data-cfasync="false" type="text/javascript"> lsjQu
39warningThe type attribute is unnecessary for JavaScript resources.

From line 937, column 1 to line 937, column 160

='all' /> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/plugins/embed-any-document/js/pdfobject.min.js?ver=2.7.11" id="awsm-ead-pdf-object-js"></scri
40warningThe type attribute is unnecessary for JavaScript resources.

From line 938, column 1 to line 938, column 61

</script> <script type="text/javascript" id="awsm-ead-public-js-extra"> /* <!
41warningThe type attribute is unnecessary for JavaScript resources.

From line 943, column 1 to line 943, column 159

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/plugins/embed-any-document/js/embed-public.min.js?ver=2.7.11" id="awsm-ead-public-js"></scri
42warningThe type attribute is unnecessary for JavaScript resources.

From line 944, column 1 to line 944, column 144

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/themes/seoengine/assets/js/bootstrap.min.js?ver=1.9" id="bootstrap-js"></scri
43warningThe type attribute is unnecessary for JavaScript resources.

From line 945, column 1 to line 945, column 156

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/themes/seoengine/assets/js/jquery.meanmenu.min.js?ver=1.9" id="jquery-meanmenu-js"></scri
44warningThe type attribute is unnecessary for JavaScript resources.

From line 946, column 1 to line 946, column 146

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/themes/seoengine/assets/js/jquery.nav.min.js?ver=1.9" id="jquery-nav-js"></scri
45warningThe type attribute is unnecessary for JavaScript resources.

From line 947, column 1 to line 947, column 144

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/themes/seoengine/assets/js/js.cookie.min.js?ver=1.9" id="js-cookie-js"></scri
46warningThe type attribute is unnecessary for JavaScript resources.

From line 948, column 1 to line 948, column 66

</script> <script type="text/javascript" id="seoengine-child-main-js-extra"> /* <!
47warningThe type attribute is unnecessary for JavaScript resources.

From line 953, column 1 to line 953, column 138

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/themes/irtm/main.js?ver=1764672226" id="seoengine-child-main-js"></scri
48warningThe type attribute is unnecessary for JavaScript resources.

From line 954, column 1 to line 954, column 164

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/plugins/youtube-embed-plus/scripts/fitvids.min.js?ver=14.2.3.2" id="__ytprefsfitvids__-js"></scri
49warningThe type attribute is unnecessary for JavaScript resources.

From line 955, column 1 to line 955, column 172

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/plugins/js_composer/assets/js/dist/js_composer_front.min.js?ver=7.9" id="wpb_composer_front_js-js"></scri
50warningThe type attribute is unnecessary for JavaScript resources.

From line 956, column 1 to line 956, column 203

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/plugins/js_composer/assets/lib/vendor/node_modules/imagesloaded/imagesloaded.pkgd.min.js?ver=7.9" id="vc_grid-js-imagesloaded-js"></scri
51warningThe type attribute is unnecessary for JavaScript resources.

From line 957, column 1 to line 957, column 126

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-includes/js/underscore.min.js?ver=1.13.4" id="underscore-js"></scri
52warningThe type attribute is unnecessary for JavaScript resources.

From line 958, column 1 to line 958, column 170

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/plugins/js_composer/assets/lib/vc/vc_waypoints/vc-waypoints.min.js?ver=7.9" id="vc_waypoints-js"></scri
53warningThe type attribute is unnecessary for JavaScript resources.

From line 959, column 1 to line 959, column 148

</script> <script type="text/javascript" src="https://www.ire.pw.edu.pl/wp-content/plugins/js_composer/assets/js/dist/vc_grid.min.js?ver=7.9" id="vc_grid-js"></scri

 

13. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: alfa.ire.pw.edu.pl, europa.coi.pw.edu.pl, io.coi.pw.edu.pl, proton.elka.pw.edu.pl

 

QNr.DomainTypeNS used
1
pl
NS
m.root-servers.net (2001:dc3::35)

Answer: a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl, h-dns.pl, j-dns.pl
2
alfa.ire.pw.edu.pl
NS
a-dns.pl (2001:7f9::53)

Answer: arwena.nask.waw.pl, dns.fuw.edu.pl, europa.coi.pw.edu.pl, io.coi.pw.edu.pl

Answer: dns.fuw.edu.pl
193.0.80.11

Answer: europa.coi.pw.edu.pl
194.29.128.2

Answer: io.coi.pw.edu.pl
194.29.128.1
3
proton.elka.pw.edu.pl
NS
a-dns.pl (2001:7f9::53)

Answer: arwena.nask.waw.pl, dns.fuw.edu.pl, europa.coi.pw.edu.pl, io.coi.pw.edu.pl

Answer: dns.fuw.edu.pl
193.0.80.11

Answer: europa.coi.pw.edu.pl
194.29.128.2

Answer: io.coi.pw.edu.pl
194.29.128.1
4
arwena.nask.waw.pl
NS
a-dns.pl (2001:7f9::53)

Answer: bilbo.nask.pl, eomer.nask.pl, frodo.nask.net.pl, kirdan.nask.pl
5
bilbo.nask.pl: 195.187.245.51
NS
a-dns.pl (2001:7f9::53)

Answer: eomer.nask.pl
193.59.201.24

Answer: kirdan.nask.pl
195.187.244.8
6
frodo.nask.net.pl: 193.59.201.37
NS
a-dns.pl (2001:7f9::53)
7
nms.cyf-kr.edu.pl: 149.156.1.3
NS
a-dns.pl (2001:7f9::53)

Answer: dns.fuw.edu.pl
193.0.80.11

Answer: info.cyf-kr.edu.pl
149.156.4.11
8
ns.tpnet.pl
NS
a-dns.pl (2001:7f9::53)

Answer: dns2.man.lodz.pl, ns1.corpnet.pl, ns2.corpnet.pl, ns3.corpnet.pl, ns4.corpnet.pl, szeloba.nask.waw.pl

Answer: dns2.man.lodz.pl
212.51.192.5

Answer: ns1.corpnet.pl
2a01:1700:2:1::3264, 80.50.50.100

Answer: ns2.corpnet.pl
2a01:1700:3:2::3296, 80.50.50.150

Answer: ns3.corpnet.pl
2a01:1700:2:3::32c8, 80.50.50.200

Answer: ns4.corpnet.pl
2a01:1700:3:4::32b4, 80.50.50.180
9
szeloba.nask.waw.pl
NS
a-dns.pl (2001:7f9::53)

Answer: bilbo.nask.pl, eomer.nask.pl, frodo.nask.net.pl, kirdan.nask.pl
10
arwena.nask.waw.pl: 193.59.201.28
A
bilbo.nask.pl (195.187.245.51)
11
arwena.nask.waw.pl: No AAAA record found
AAAA
bilbo.nask.pl (195.187.245.51)
12
ns.tpnet.pl: 80.50.50.50
A
dns2.man.lodz.pl (212.51.192.5)
13
ns.tpnet.pl: 2a01:1700:2:50::3232
AAAA
dns2.man.lodz.pl (212.51.192.5)
14
szeloba.nask.waw.pl: 193.59.201.29
A
bilbo.nask.pl (195.187.245.51)
15
szeloba.nask.waw.pl: No AAAA record found
AAAA
bilbo.nask.pl (195.187.245.51)
16
alfa.ire.pw.edu.pl: No A record found
A
arwena.nask.waw.pl (193.59.201.28)
17
alfa.ire.pw.edu.pl: No AAAA record found
AAAA
arwena.nask.waw.pl (193.59.201.28)
18
proton.elka.pw.edu.pl: No A record found
A
arwena.nask.waw.pl (193.59.201.28)
19
proton.elka.pw.edu.pl: No AAAA record found
AAAA
arwena.nask.waw.pl (193.59.201.28)

 

14. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
web2.elka.pw.edu.pl
0

no CAA entry found
1
0
www.ire.pw.edu.pl



1
0
elka.pw.edu.pl
0

no CAA entry found
1
0
ire.pw.edu.pl
0

no CAA entry found
1
0
pw.edu.pl
5
issue
harica.gr
1
0

5
issue
harica.gr
1
0
edu.pl
0

no CAA entry found
1
0

0

no CAA entry found
1
0
pl
0

no CAA entry found
1
0

0

no CAA entry found
1
0

 

15. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
pw.edu.pl
l+2V53R1zwr2yu9SAhaaXhVMJn4Q9a4HH/bZjikhb70AxJEJYqsn8HCZjiXThvFsVAAqsTtboN/6MJdBpANtvg==
ok
1
0
pw.edu.pl
mojecertpl-site-verification-XqDXQJM0HHl0Uief3S4x5PRlYbmyQgpM
ok
1
0
pw.edu.pl
MS=ms45876828
ok
1
0
pw.edu.pl
v=spf1 mx ip4:194.29.138.17 include:spf.protection.outlook.com -all
ok
1
0
ire.pw.edu.pl
v=spf1 ip4:194.29.164.3 mx ip4:194.29.138.17 include:spf.protection.outlook.com -all
ok
1
0
www.ire.pw.edu.pl


1
0
_acme-challenge.ire.pw.edu.pl

Name Error - The domain name does not exist
1
0
_acme-challenge.www.ire.pw.edu.pl

Name Error - The domain name does not exist
1
0
_acme-challenge.web2.elka.pw.edu.pl

Name Error - The domain name does not exist
1
0
_acme-challenge.ire.pw.edu.pl.pw.edu.pl

Name Error - The domain name does not exist
1
0
_acme-challenge.ire.pw.edu.pl.ire.pw.edu.pl

Name Error - The domain name does not exist
1
0
_acme-challenge.www.ire.pw.edu.pl.ire.pw.edu.pl

Name Error - The domain name does not exist
1
0
_acme-challenge.www.ire.pw.edu.pl.www.ire.pw.edu.pl

Name Error - The domain name does not exist
1
0
_acme-challenge.web2.elka.pw.edu.pl.web2.elka.pw.edu.pl

Name Error - The domain name does not exist
1
0

 

16. DomainService - Entries

TypeDomainPrefValueDNS-errornum AnswersStatusDescription
MX

ire.pw.edu.pl
10
prox-mg-01.pw.edu.pl
02ok

A


194.29.130.58
01ok

CNAME


00ok
MX

ire.pw.edu.pl
10
prox-mg-02.pw.edu.pl
02ok

A


194.29.130.59
01ok

CNAME


00ok
SPF
TXT
ire.pw.edu.pl

v=spf1 ip4:194.29.164.3 mx ip4:194.29.138.17 include:spf.protection.outlook.com -all
ok

MX
ire.pw.edu.pl

prox-mg-01.pw.edu.pl
ok

MX-A
prox-mg-01.pw.edu.pl

194.29.130.58
ok

MX
ire.pw.edu.pl

prox-mg-02.pw.edu.pl
ok

MX-A
prox-mg-02.pw.edu.pl

194.29.130.59
ok

TXT
spf.protection.outlook.com

v=spf1 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/15 ip4:52.102.0.0/16 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/51 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f403:f000::/52 -all
ok

 

 

17. Cipher Suites

Summary
DomainIPPortnum CipherstimeStd.ProtocolForward Secrecy
ire.pw.edu.pl
194.29.160.106
443
27 Ciphers102.62 sec
16 without, 11 FS
40.74 %
www.ire.pw.edu.pl
194.29.160.106
443
5 Ciphers36.96 sec
0 without, 5 FS
100.00 %
Complete

2
32 Ciphers
16.00 Ciphers/Check
139.58 sec69.79 sec/Check
16 without, 16 FS
50.00 %

Details
DomainIPPortCipher (OpenSsl / IANA)
ire.pw.edu.pl
194.29.160.106
443
ECDHE-RSA-CHACHA20-POLY1305
(Secure)
TLSv1.2
0xCC,0xA8
FS
27 Ciphers, 102.62 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




ECDHE-ARIA256-GCM-SHA384
(Secure)
TLSv1.2
0xC0,0x61
FS

TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384

ECDH
RSA
ARIAGCM(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




ECDHE-ARIA128-GCM-SHA256
(Secure)
TLSv1.2
0xC0,0x60
FS

TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256

ECDH
RSA
ARIAGCM(128)
AEAD




ECDHE-RSA-CAMELLIA256-SHA384
(Weak)
TLSv1.2
0xC0,0x77
FS

TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384

ECDH
RSA
Camellia(256)
SHA384




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

TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384

ECDH
RSA
AES(256)
SHA384




CAMELLIA256-SHA256
(Weak)
TLSv1.2
0x00,0xC0
No FS

TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256

RSA
RSA
Camellia(256)
SHA256




ARIA256-GCM-SHA384
(Weak)
TLSv1.2
0xC0,0x51
No FS

TLS_RSA_WITH_ARIA_256_GCM_SHA384

RSA
RSA
ARIAGCM(256)
AEAD




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

TLS_RSA_WITH_AES_256_GCM_SHA384

RSA
RSA
AESGCM(256)
AEAD




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

TLS_RSA_WITH_AES_256_CBC_SHA256

RSA
RSA
AES(256)
SHA256




AES256-CCM8
(Weak)
TLSv1.2
0xC0,0xA1
No FS

TLS_RSA_WITH_AES_256_CCM_8

RSA
RSA
AESCCM8(256)
AEAD




AES256-CCM
(Weak)
TLSv1.2
0xC0,0x9D
No FS

TLS_RSA_WITH_AES_256_CCM

RSA
RSA
AESCCM(256)
AEAD




ECDHE-RSA-CAMELLIA128-SHA256
(Weak)
TLSv1.2
0xC0,0x76
FS

TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256

ECDH
RSA
Camellia(128)
SHA256




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

TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256

ECDH
RSA
AES(128)
SHA256




CAMELLIA128-SHA256
(Weak)
TLSv1.2
0x00,0xBA
No FS

TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256

RSA
RSA
Camellia(128)
SHA256




ARIA128-GCM-SHA256
(Weak)
TLSv1.2
0xC0,0x50
No FS

TLS_RSA_WITH_ARIA_128_GCM_SHA256

RSA
RSA
ARIAGCM(128)
AEAD




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

TLS_RSA_WITH_AES_128_GCM_SHA256

RSA
RSA
AESGCM(128)
AEAD




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

TLS_RSA_WITH_AES_128_CBC_SHA256

RSA
RSA
AES(128)
SHA256




AES128-CCM8
(Weak)
TLSv1.2
0xC0,0xA0
No FS

TLS_RSA_WITH_AES_128_CCM_8

RSA
RSA
AESCCM8(128)
AEAD




AES128-CCM
(Weak)
TLSv1.2
0xC0,0x9C
No FS

TLS_RSA_WITH_AES_128_CCM

RSA
RSA
AESCCM(128)
AEAD




ECDHE-RSA-AES256-SHA
(Weak)
TLSv1
0xC0,0x14
FS

TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA

ECDH
RSA
AES(256)
SHA1




ECDHE-RSA-AES128-SHA
(Weak)
TLSv1
0xC0,0x13
FS

TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA

ECDH
RSA
AES(128)
SHA1




CAMELLIA256-SHA
(Weak)
SSLv3
0x00,0x84
No FS

TLS_RSA_WITH_CAMELLIA_256_CBC_SHA

RSA
RSA
Camellia(256)
SHA1




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

TLS_RSA_WITH_AES_256_CBC_SHA

RSA
RSA
AES(256)
SHA1




CAMELLIA128-SHA
(Weak)
SSLv3
0x00,0x41
No FS

TLS_RSA_WITH_CAMELLIA_128_CBC_SHA

RSA
RSA
Camellia(128)
SHA1




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

TLS_RSA_WITH_AES_128_CBC_SHA

RSA
RSA
AES(128)
SHA1

www.ire.pw.edu.pl
194.29.160.106
443
ECDHE-RSA-CHACHA20-POLY1305
(Secure)
TLSv1.2
0xCC,0xA8
FS
5 Ciphers, 36.96 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

 

18. Portchecks

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

 

 

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