ritzenhoff.de

Observed Jul 25, 2026, 19:25 UTC (8d 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

Email bySendGrid

Secured byLet's Encrypt

tranco

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

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

ritzenhoff.de

A / AAAA

5.9.34.36116.202.199.129

unattributedserves the site

dns02.acs-europe.dedns01.acs-europe.dedns03.acs-europe.de

acs-europe.deanswers its DNS

mx04.acs-europe.demx06.acs-europe.demx05.acs-europe.de

SendGridreceives its email

TLS

*.ritzenhoff.de

Let's Encryptissued its certificate

DNS Records

A 2

5.9.34.36
116.202.199.129

MX 3

10mx04.acs-europe.de
10mx06.acs-europe.de
10mx05.acs-europe.de

TXT 5

MS=ms97675234
apple-domain-verification=HpijhdWCnwVfkjRh
klaviyo-site-verification=UHLstu
v=spf1 a mx include:spf.acs-europe.de include:spf.protection.outlook.com include:spf.mailjet.com include:sendgrid.net -all
v=DMARC1; p=none; rua=mailto:dmarc_rua@acs-gruppe.de; ruf=mailto:dmarc_ruf@acs-gruppe.de; fo=1;

NS 3

dns02.acs-europe.de
dns01.acs-europe.de
dns03.acs-europe.de

SOA 1

dns01.acs-europe.de hostmaster.acs-europe.de

TLS Certificates (3)

Common Name	Issuer	Expires
`*.ritzenhoff.de`	C=US, O=Let's Encrypt, CN=YR2	Tue, 13 Oct 2026 15:43:34 +0000
`YR2`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 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 ritzenhoff.de. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_67d55316e83fbd24
Output Hash: 92602fc47c43e43403641560a840ed217a8db56cbdd194d164502d3efbe3302d
Signature: ed25519:6d8f5e4a68329816910da405557f6b60755843bc082e31f2de8719705387a201b5dba35a46e5e92f7b3454782340a549232b23e1b35207798abdf1c697406807
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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