urk.edu.pl
Observed Jul 27, 2026, 22:13 UTC (6d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Secured byDigiCert
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat urk.edu.pl actually stands on - every host below is a signed observation
urk.edu.pl
A / AAAA
149.156.33.150
unattributedserves the site
NS
ns1.urk.edu.plns2.urk.edu.plns1.ur.krakow.plns2.ur.krakow.pl
edu.pl + krakow.planswers its DNS
MX
mail.ar.krakow.pl
krakow.plreceives its email
TLS
*.urk.edu.pl
DigiCert Incissued its certificate
DNS Records
A 1
149.156.33.150
MX 1
5mail.ar.krakow.pl
TXT 3
v=spf1 a mx ip4:149.156.33.0/24 include:spf.protection.outlook.com -allgoogle-site-verification=B93drmGram6hn-XlrF4dAMS3bRbs22oMIy6y0WdClcEv=DMARC1;p=quarantine;pct=100;rua=mailto:dmarc@urk.edu.pl;ruf=mailto:dmarc@urk.edu.pl
NS 4
ns1.urk.edu.plns2.urk.edu.plns1.ur.krakow.plns2.ur.krakow.pl
SOA 1
matrix.urk.edu.pl admin.urk.edu.pl
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
*.urk.edu.pl |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=Thawte TLS RSA CA G1 | Tue, 03 Nov 2026 23:59:59 +0000 |
Thawte TLS RSA CA G1 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Tue, 02 Nov 2027 12:24:25 +0000 |
Subdomains (0)
None observed.
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
- Output Hash
cd2ec842fdfdd7d5920d7ebea113135cbec74bc65134edd0051da1b744e74759- Signature
(receipt not held at this host)- Public Key
connor-fast-v0.13.0- Parent
(genesis)- Plane
- fast