zkm.de

Observed Jul 21, 2026, 16:42 UTC (9h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onUniversitaet Stuttgart

Email byMailgun

Secured byHellenic Academic and Research Institutions CA

Also usesGoogle Search Console

1 subdomain · tranco_100k

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

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

zkm.de

A / AAAA

193.197.168.188

Universitaet Stuttgartserves the site

infoblox.zkm.dedns1.belwue.dedns3.belwue.dedns.zkm.de

zkm.de + belwue.deanswers its DNS

b1431.mx.srv.dfn.defortimail.zkm.dea1431.mx.srv.dfn.dec1431.mx.srv.dfn.de

Mailgunreceives its email

TLS

zkm.de

Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

193.197.168.188

MX 4

30b1431.mx.srv.dfn.de
20fortimail.zkm.de
30a1431.mx.srv.dfn.de
30c1431.mx.srv.dfn.de

TXT 5

google-site-verification=dfBtFSTRo66eUH0dc-sNg4bgbntbz6XMYMtltsq0VNk
v=spf1 ip4:193.197.168.0/22 ip4:193.197.172.0/24 ip4:54.246.220.150 ip4:54.246.224.90 ip4:208.91.114.151 include:_spf.rexx-suite.com include:mailgun.org ~all
apple-domain-verification=cAkT3PrPl281VWdI
bw=uqDW9nAlzCDNMWAcBdwFxqxDG8NQwsy8XYnJky3DDDSz
v=DMARC1; p=none;

NS 4

infoblox.zkm.de
dns1.belwue.de
dns3.belwue.de
dns.zkm.de

SOA 1

infoblox.zkm.de hostmaster.zkm.de

TLS Certificates (3)

Common Name	Issuer	Expires
`zkm.de`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1	Wed, 30 Dec 2026 10:12:33 +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.zkm.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.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_bffbd0e2a8479840
Output Hash: 241126fe635300e42824cd5f3aa060961734bb11dc9231ebcdc77ea864d51971
Signature: ed25519:e54f61a00abc4d0adefe94488521aea735939a039bd3d6f38b6d6f999ae9e8d4d9c2f9f8a8d7ac1a11ba55f2b2d7f68fdcbdbf2c84d8f5529b10a28196fa5a07
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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