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utc.sk

Observed Jul 25, 2026, 04:26 UTC (9d 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.

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Not responding
Runs onZdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat utc.sk actually stands on - every host below is a signed observation
utc.sk
A / AAAA
158.193.48.2122001:4118:300:48::212
Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANETserves the site
NS
sun.uakom.sk.utc.skuvt.utc.skproxy.utc.sk
utc.skanswers its DNS
MX
smtp-in-01.uniza.ski-smtp-03.uniza.ski-smtp-04.uniza.sk
uniza.skreceives its email
TLS
uniza.sk
Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

  • 158.193.48.212

AAAA 1

  • 2001:4118:300:48::212

MX 3

  • 3smtp-in-01.uniza.sk
  • 5i-smtp-03.uniza.sk
  • 15i-smtp-04.uniza.sk

TXT 2

  • MS=ms29492690
  • v=spf1 ip4:158.193.0.0/16 ip6:2001:4118:300::/48 include:spf.protection.outlook.com ~all

NS 3

  • sun.uakom.sk.utc.sk
  • uvt.utc.sk
  • proxy.utc.sk

SOA 1

  • uvt.utc.sk hostmaster.uniza.sk

TLS Certificates (4)

Common NameIssuerExpires
uniza.sk C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 Sat, 06 Feb 2027 23:58:07 +0000
uniza.sk C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 Sat, 06 Feb 2027 23:58:07 +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 (1)

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 receipt

Ed25519 Receipt

Receipt ID
rcpt_06a9dfedca8691d3
Output Hash
9edd4b3c3ada05171751d8aad653e75ae1f60d40df9c4393aad6b6bb4476fc42
Signature
ed25519:6134f3ab5edad768706413f404bd8360cd71271c965a55f44a91f054ff9e9bcd0640ee0b4ce42eec808469ebafa6f724f03aeb45a7adef2a3be12b34822fad07
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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