umcs.pl
Observed Jul 24, 2026, 01:17 UTC (9h 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
Runs onMaria Curie-Sklodowska University
Secured byHellenic Academic and Research Institutions CA
Also usesGoogle Search Console
2 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat umcs.pl actually stands on - every host below is a signed observation
umcs.pl
A / AAAA
87.246.207.215
Maria Curie-Sklodowska Universityserves the site
NS
dns1.umcs.lublin.pldns2.umcs.lublin.pl
lublin.planswers its DNS
MX
mailgate1.umcs.pl
umcs.plreceives its email
TLS
*.umcs.pl
Hellenic Academic and Research Institutions CAissued its certificate
DNS Records
A 1
87.246.207.215
MX 1
10mailgate1.umcs.pl
TXT 5
mojecertpl-site-verification-Eu9v6BpijiFnQmr8qqJTySeiAFFTT58xgoogle-site-verification=42ckdto03miv_kjUHkDtl16z3Dxtbj0dSBrEFeRdMLcv=spf1 mx ip4:212.182.74.26 a:portal.umcs.pl a:mail2.usos.umcs.pl a:mail.usos.umcs.pl a:ozyrys.umcs.lublin.pl ip4:87.246.207.224/27 include:spf.protection.outlook.com ip4:5.201.121.16 ip4:5.201.5.126 ip4:87.246.207.176/29 ip4:87.246.207.154 ~allMS=ms66162695v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:dmarc@mail.umcs.pl; ruf=mailto:dmarc@mail.umcs.pl; fo=1; adkim=r; aspf=r;
NS 2
dns1.umcs.lublin.pldns2.umcs.lublin.pl
SOA 1
dns1.umcs.lublin.pl root.dns1.umcs.lublin.pl
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
*.umcs.pl |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 | Sat, 26 Sep 2026 10:38:17 +0000 |
*.umcs.pl |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 | Sat, 26 Sep 2026 10:38:17 +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 (2)
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_c0eff33d5bb86c5b- Output Hash
1953f9311133f02def7787ccf69f880f9fd4c33e1ce1037c6bf212047a9902a0- Signature
ed25519:6edf43e5c7398cee1c9ea062c847f8188fbaa56a739ab17678d1609fe2e422a71716792fdaf8b599b07dc8445e603622ab71b2d69c82bc4fe5ecf69a11933306- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast