arbeitskammer.de

Observed Jul 25, 2026, 23:05 UTC (7d 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 byMicrosoft 365

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 arbeitskammer.de actually stands on - every host below is a signed observation

arbeitskammer.de

A / AAAA

212.18.211.110

unattributedserves the site

ns2.teresto.netns1.teresto.netns3.teresto.net

teresto.netanswers its DNS

arbeitskammer-de.mail.protection.outlook.com

Microsoft 365receives its email

TLS

arbeitskammer.de

Let's Encryptissued its certificate

DNS Records

A 1

212.18.211.110

MX 1

0arbeitskammer-de.mail.protection.outlook.com

TXT 7

P6xIoC2T1Pk4kBaBJNGKvV17hDM7u7A9Ay1g5FekR3RHojVTC+/YJtF7wn2WPPpHqxJEetDyJyr4WOUtPnv6OQ==
MS=ms91166662
v=spf1 ip4:212.88.141.16/28 ip4:212.18.211.96/28 a:mail.arbeitskammer.de a:mailrelay.arbeitskammer.de include:spf.protection.outlook.com -all
apple-domain-verification=pvsRsQMtqUeq4dyM
bw=CdDKjswaOBHkBLXtlZcU32gyqrUyInjf4nhX47s4f8TL
openai-domain-verification=dv-xbg7NZhBxH6wxzUwUU7yaJA6
v=DMARC1; p=quarantine; pct=100

NS 3

ns2.teresto.net
ns1.teresto.net
ns3.teresto.net

SOA 1

ns1.teresto.net hostmaster.teresto.net

TLS Certificates (2)

Common Name	Issuer	Expires
`arbeitskammer.de`	C=US, O=Let's Encrypt, CN=R12	Mon, 24 Aug 2026 15:05:07 +0000
`R12`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_46cbbb10e9c92b87
Output Hash: 0930bfb49f0050236fbe91889f07ec8febf12c5a93ae1074a3270010e9d09ae2
Signature: ed25519:736e47aa5ca5f3695f9f559aa5b389f7503596e5a21ec8785218d3b09b70f08c438b7c05c2795527dd5b015a311a3dbcdb283886042052e2aea79f4eb03ab50b
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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