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uscleiden.nl

Observed Aug 2, 2026, 18:55 UTC (10h 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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Up right now
Secured byHellenic Academic and Research Institutions CA
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat uscleiden.nl actually stands on - every host below is a signed observation
uscleiden.nl
A / AAAA
132.229.92.35
unattributedserves the site
NS
ns1.surfnet.nlns2.surfnet.nlns3.surfnet.nl
surfnet.nlanswers its DNS
TLS
uscleiden.nl
Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

  • 132.229.92.35

NS 3

  • ns1.surfnet.nl
  • ns2.surfnet.nl
  • ns3.surfnet.nl

SOA 1

  • arachne.leidenuniv.nl postmaster.leidenuniv.nl

DMARC_RECORDS 1

  • v=DMARC1; p=none

TLS Certificates (3)

Common NameIssuerExpires
uscleiden.nl C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 Wed, 10 Feb 2027 10:35:23 +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.

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Ed25519 Receipt

Receipt ID
rcpt_11267fa87a3b1d79
Output Hash
3be77df6a9ca21093dbbdb2a890a4019fe25f416f2caee9af5c2f63105889372
Signature
ed25519:a60f53e78f169c809b108c5a27107b3c659f741781b6de578a98adcd1c9fc6e21efdeb1842f9885dc7a4b626bd24a7c0452ef3bc9cbcbd2fba68a8c8b1a8ab02
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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