uos.de

Observed Jul 27, 2026, 22:30 UTC (6d 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

IPv6 · 1 subdomain · tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat uos.de actually stands on - every host below is a signed observation

uos.de

A / AAAA

131.173.17.2032001:638:508:100::83ad:11cb

2001serves the site

dns-1.serv.uni-osnabrueck.dedns-3.serv.uni-osnabrueck.dedns-2.serv.uni-osnabrueck.de

uni-osnabrueck.deanswers its DNS

b2411.mx.srv.dfn.dec2411.mx.srv.dfn.dea2411.mx.srv.dfn.de

dfn.dereceives its email

TLS

www.uos.de

Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

131.173.17.203

AAAA 1

2001:638:508:100::83ad:11cb

MX 3

60b2411.mx.srv.dfn.de
60c2411.mx.srv.dfn.de
60a2411.mx.srv.dfn.de

TXT 4

v=spf1 redirect=uni-osnabrueck.de
MS=2557A9E7068D05C3D530DB8AAEA6B5A34C0E38A5
fefa731e-c4ed-4a97-bf74-e0fa08211653
v=DMARC1; p=none; rua=mailto:dmarc-rua@uni-osnabrueck.de,mailto:rua@dmarc.brevo.com

NS 3

dns-1.serv.uni-osnabrueck.de
dns-3.serv.uni-osnabrueck.de
dns-2.serv.uni-osnabrueck.de

SOA 1

dns-1.serv.uni-osnabrueck.de dnsadmin.uni-osnabrueck.de

TLS Certificates (3)

Common Name	Issuer	Expires
`www.uos.de`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1	Sun, 07 Feb 2027 14:17:13 +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)

www.uos.de

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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Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for uos.de. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/uos.de">
  <img src="https://domaindrift.io/badge/uos.de.svg"
       width="300" height="64" alt="DomainDrift signed observations for uos.de">
</a>

Ed25519 Receipt

Receipt ID: rcpt_278cb1900615bd70
Output Hash: 7bce441f6a480dc8530e48dc28d41cf3132744e6c7a9224a0cb8242276c472a0
Signature: ed25519:a229aa16efc668c6eccf1f1d23af8375aeda17fdef5c3b950b32aaae328009541d6dd5278ee55420d92f2588ba5668455f39f1342faeb43f636701d88d322d08
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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