usz.edu.pl
Observed Aug 2, 2026, 20:24 UTC (12h 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
Email byMicrosoft 365
Secured byHellenic Academic and Research Institutions CA
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usz.edu.pl actually stands on - every host below is a signed observation
usz.edu.pl
A / AAAA
212.14.14.83
unattributedserves the site
NS
dns3.home.pldns.home.pldns2.home.pl
home.planswers its DNS
MX
usz-edu-pl.mail.protection.outlook.com
Microsoft 365receives its email
TLS
*.usz.edu.pl
Hellenic Academic and Research Institutions CAissued its certificate
DNS Records
A 1
212.14.14.83
MX 1
10usz-edu-pl.mail.protection.outlook.com
TXT 4
mojecertpl-site-verification-IvmpIDHzplIdxHliZ0jnAOkEEMq5Kksuv=spf1 ip4:212.14.14.52 ip4:212.14.14.38 include:spf.protection.outlook.com -allapple-domain-verification=BHflQOJBPww4YYNogoogle-site-verification=EvfZlcPjo0Ek1JwiHZdo3Bg4TLNdu028Imd787EULbc
NS 3
dns3.home.pldns.home.pldns2.home.pl
SOA 1
dns.home.pl admin.home.pl
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:dmarc@usz.edu.pl;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.usz.edu.pl |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 | Sat, 12 Dec 2026 10:46:55 +0000 |
GEANT TLS RSA 1 |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS RSA Root CA 2021 | Sat, 31 Dec 2039 11:14:59 +0000 |
HARICA TLS RSA Root CA 2021 |
C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions RootCA 2015 | Fri, 31 Aug 2029 07:41:54 +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
rcpt_c8dd2800bc698648- Output Hash
ba08890f545b9962b89cefae770e131f305c7ec3d339b57faa66c02813338f21- Signature
ed25519:a55b32e102b7b9a6988fad379c2a1b8a2466b53ef1d5ed156b7b8b7dcd0ba5c307720986407fdedda6f369af297639a02023bfa9b73bd88115b486e2aea6dd0d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast