ruhrmuseum.de

Observed Jul 27, 2026, 03:56 UTC (5d 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

Secured byLet's Encrypt

1 subdomain · majestic

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

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

ruhrmuseum.de

A / AAAA

85.13.154.15

unattributedserves the site

ns1.tekonet.dens2.tekonet.de

tekonet.deanswers its DNS

mx.essen.de

essen.dereceives its email

TLS

ruhrmuseum.de

Let's Encryptissued its certificate

DNS Records

A 1

85.13.154.15

MX 1

10mx.essen.de

TXT 2

v=spf1 a mx ip4:85.13.154.15 include:essen.de -all
v=DMARC1;p=none;rua=mailto:dmarc-rua@ruhrmuseum.de;ruf=mailto:dmarc-ruf@ruhrmuseum.de;sp=none;rf=afrf;ri=86400;adkim=r;aspf=r

NS 2

ns1.tekonet.de
ns2.tekonet.de

SOA 1

ns1.tekonet.de info.ruhrmuseum.de

TLS Certificates (2)

Common Name	Issuer	Expires
`ruhrmuseum.de`	C=US, O=Let's Encrypt, CN=E8	Tue, 25 Aug 2026 02:07:19 +0000
`E8`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_9b960d5319a3ad1e
Output Hash: 3fc7501491b7a6fcf8b8d3d07c87cc3518a4cf322fc07753790e818053530a6c
Signature: ed25519:83a44c9418a356188724f0c4d2f74f85345fc0390681c2d85bad03e73d05ffe4a7fa9b0ece865dc246052721e45338628bf7d8c14f03b2cf9f3fbd111005730b
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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