uni-due.de

Observed Jul 18, 2026, 13:10 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onVerein zur Foerderung eines Deutschen Forschungsnetzes e.V

Secured byHellenic Academic and Research Institutions CA

Also usesGoogle Search Console

2 subdomains · tranco_20k

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

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

uni-due.de

A / AAAA

134.91.197.147

Verein zur Foerderung eines Deutschen Forschungsnetzes e.Vserves the site

ns1.uni-duisburg-essen.dedns-2.dfn.dens2.uni-duisburg-essen.de

uni-duisburg-essen.de + dfn.deanswers its DNS

mx-serv5.uni-due.demx-serv3.uni-due.demx-serv4.uni-due.de

uni-due.dereceives its email

TLS

uni-due.de

Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

134.91.197.147

MX 3

10mx-serv5.uni-due.de
10mx-serv3.uni-due.de
10mx-serv4.uni-due.de

TXT 5

v=spf1 ip4:132.252.0.0/16 ip4:134.91.0.0/16 ip4:193.30.112.1 ip6:2001:638:501::/48 include:_spf.tivian.com include:_spf.zimpel.de include:spf.server-he.de mx ~all
google-site-verification=ao6bsU-PynQ0nGziXEU2rkcGKh1_DBnALmHLmdZv6uo
apple-domain-verification=t3JfgbmXeFvCVwKO
MS=D42AE4BAA7D47D587275500686025E3907354F80
v=DMARC1; p=none; sp=none; adkim=r; aspf=r; pct=100; rua=mailto:dmarc@uni-due.de; ruf=mailto:dmarc@uni-due.de; fo=1

NS 3

ns1.uni-duisburg-essen.de
dns-2.dfn.de
ns2.uni-duisburg-essen.de

SOA 1

ns1.uni-duisburg-essen.de netadm.uni-duisburg-essen.de

SRV 1

autodiscover.uni-due.de:443 p0

TLS Certificates (3)

Common Name	Issuer	Expires
`uni-due.de`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1	Sat, 14 Nov 2026 09:15:14 +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 receipt

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

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

Ed25519 Receipt

Receipt ID: ccfe023c-f1c6-4fd6-9849-7d1d7aa98772
Output Hash: f4dbe3402a38943d4ee6c2a1759bde80726b003775431708c4d51040a0f0d30f
Signature: ed25519:9cb0dd95a6e1c8daa02d274b4e5f96efcbe1b50338c311dc53ffcabdf13fb641792fb1bbef8aff744a7185ef7da840318f96327b73476011b7fc1e0ac84ae207
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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