upjs.sk
Observed Jul 24, 2026, 19:37 UTC (8d 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
19 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat upjs.sk actually stands on - every host below is a signed observation
upjs.sk
A / AAAA
158.197.16.80
unattributedserves the site
NS
ns2.upjs.skns.upjs.sk
upjs.skanswers its DNS
MX
upjs-sk.mail.protection.outlook.com
Microsoft 365receives its email
TLS
upjs.sk
Hellenic Academic and Research Institutions CAissued its certificate
DNS Records
A 1
158.197.16.80
MX 1
0upjs-sk.mail.protection.outlook.com
TXT 4
google-site-verification=wejL8awDFQn-wZHxbolKt4vZKvSugf8Y7TFUeMEG1nQv=spf1 ip4:158.197.0.0/16 ip6:2001:4118:0400::/48 include:spf.protection.outlook.com -allopenai-domain-verification=dv-5cUAyi4xsHkFNKqabN6qygstv=DMARC1; p=quarantine; pct=100; rua=mailto:csirt@upjs.sk; ruf=mailto:csirt@upjs.sk; fo=1
NS 2
ns2.upjs.skns.upjs.sk
SOA 1
ns.upjs.sk root.upjs.sk
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
upjs.sk |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 | Tue, 17 Nov 2026 06:36:29 +0000 |
upjs.sk |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 | Tue, 17 Nov 2026 06:36:29 +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, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS RSA Root CA 2021 | Mon, 13 Feb 2045 10:55:37 +0000 |
Subdomains (19)
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_457e5f109fd1b34b- Output Hash
59f5d003453cb457aaa6e9d5eb61ef258473f71fbe98eb6111b5606c778d7d9d- Signature
ed25519:2011c3df3a87459ded905f8a3793498b9d2deaef296fbeafd04ca7990c388cbb2d3ccbd9c96dcb8f753ad31225e3f904c651ebd83cebd9c67b0250fe32a3660e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast