atu.de

Observed Jul 24, 2026, 03:43 UTC (11h 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

Guarded by a firewall

Runs onCloudflare

Email byGoogle Workspace

Secured byGoogle Trust Services

Also usesFacebook/MetaGoogle Search Console

IPv6 · tranco_100k

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

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

atu.de

A / AAAA

104.17.165.237104.17.166.2372606:4700::6811:a6ed2606:4700::6811:a5ed

Cloudflareserves the site

daisy.ns.cloudflare.comthaddeus.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

atu.de

Google Trust Servicesissued its certificate

DNS Records

A 2

104.17.165.237
104.17.166.237

AAAA 2

2606:4700::6811:a6ed
2606:4700::6811:a5ed

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 11

6861m5z70myzk115xnhn09wx54y2cq8l
MS=ms20773601
facebook-domain-verification=a054zbqvrkfo524sxsiiegyz1dbbsj
google-gws-recovery-domain-verification=45025237
google-site-verification=FmCVajyGLOSpqwMwDkzMZvjZzxwSD5IOZSI0emiUw08
google-site-verification=eE_13sKb4CkJHytTp_GFa5gWG21jCioZ-PJEprQo8RQ
google-site-verification=rJjIIt3HPMeH_qr4KkiFv6S6Mj7xwv-ZSi_20-5lcTE
google-site-verification=xJ6NY_PdEJv0wLGtQwj79gDqCjGBZdMOmGsERmWET4Q
v=spf1 ip4:193.37.131.0/24 include:_spf.google.com include:spf.protection.outlook.com include:mailgun.org ~all
yahoo-verification-key=DYG20gzqGnmFmMPh8bUrEdk4Pji/YkIucWwzCb+bHMI=

NS 2

daisy.ns.cloudflare.com
thaddeus.ns.cloudflare.com

SOA 1

daisy.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`atu.de`	C=US, O=Google Trust Services, CN=WE1	Sat, 19 Sep 2026 19:28:33 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +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 atu.de. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_b1756ea38d9c26ca
Output Hash: a3b9c66e84501ef1e7b446d324e45f6744dee89a0806df057c35c0e9e25fb1f5
Signature: ed25519:059708add7220a46d4d294a1c5392fd2249775b46e5ebafd1d672183b62a808f73400c3b315a3fcdbe579e67b532ecd8ce972002345394c2439136eadd9c1501
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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