duesseldorf.de

Observed Jul 24, 2026, 03:33 UTC (5h 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onITK Rheinland

Secured byDeutsche Telekom Security GmbH

Also usesGoogle Search Console

tranco_40k

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

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

duesseldorf.de

A / AAAA

193.27.22.39

ITK Rheinlandserves the site

ns.itk-rheinland.desecondary006.dtag.netpns.dtag.dens2nd.itk-rheinland.de

itk-rheinland.de + dtag.net + moreanswers its DNS

mail32.itk-rheinland.demail52.itk-rheinland.demail42.itk-rheinland.de

itk-rheinland.dereceives its email

TLS

*.duesseldorf.de

Deutsche Telekom Security GmbHissued its certificate

DNS Records

A 1

193.27.22.39

MX 3

10mail32.itk-rheinland.de
10mail52.itk-rheinland.de
10mail42.itk-rheinland.de

TXT 9

duo_sso_verification=czynCNZY0ovlVO3RPTiG7JiC6n7vhsENRiJj6MgjBYNa5PWPs9EdNM2yPiojoNB4
QuoVadis=759f41f9-090e-48ff-9994-747c8be8ef3b
google-site-verification=H3C7cO-eVuY249hCd_vjCugwMnKD98oAdgYOnoiMGVw
v=spf1 ip4:193.27.22.88 include:_spf.rexx-suite.com ~all
_telesec-domain-validation=355711_2026-02-17_HOBZSv0WZCjaQTJR4gu9vECFLZaL4swbj2sTW44ZsbWZTlQOKq
adobe-idp-site-verification=eac65759811f2b1acc9701456fdef56dc0b95bdb81d03d0f4c9e73d353f6efc6
D-TRUST=YUOXH2KLMVGU6BBYFW7EQJP
hibp-verify=dweb_obg9bbvpqdxzouvngiwn4hb1
v=DMARC1; p=none; rua=mailto:dmarc.lhd@itk-rheinland.de

NS 4

ns.itk-rheinland.de
secondary006.dtag.net
pns.dtag.de
ns2nd.itk-rheinland.de

SOA 1

ns.itk-rheinland.de postmaster.duesseldorf.de

TLS Certificates (2)

Common Name	Issuer	Expires
`*.duesseldorf.de`	C=DE, O=Deutsche Telekom Security GmbH, CN=Telekom Security ServerID OV Class 2 CA	Sun, 21 Feb 2027 23:59:59 +0000
`Telekom Security ServerID OV Class 2 CA`	C=DE, O=T-Systems Enterprise Services GmbH, 2.5.4.11=T-Systems Trust Center, CN=T-TeleSec GlobalRoot Class 2	Mon, 02 Aug 2027 23:59:59 +0000

Subdomains (0)

None observed.

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 duesseldorf.de. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_b87b7f2ff621bf64
Output Hash: db4f1563a0e324f66519d158e143a50afa41899cca193185182fc0b3514412c6
Signature: ed25519:200f4be77a8b8a6e638038795258715951cd51804ed9ebdd459163bc3c2af90fe2c29e9d526903ec8faca3185d9a83b37021e4e8eed84fe24cbaf6e4d86b6302
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/duesseldorf.de