alphakurs.de

Observed Jul 25, 2026, 22:58 UTC (6d 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

Also usesGoogle Search Console

1 subdomain · majestic

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

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

alphakurs.de

A / AAAA

188.40.28.3

unattributedserves the site

ns.second-ns.comns1.your-server.dens3.second-ns.de

second-ns.com + your-server.de + moreanswers its DNS

alphakurs-de.mail.protection.outlook.comauto.alphakurs.de

Microsoft 365receives its email

TLS

alphakurs.de

Let's Encryptissued its certificate

DNS Records

A 1

188.40.28.3

MX 2

0alphakurs-de.mail.protection.outlook.com
100auto.alphakurs.de

TXT 3

google-site-verification=eaypngqfgqkXau4cpxbvGAQfZpyZTijO5H2SnluVes0
v=spf1 include:_spf.createsend.com include:mailgun.org include:spf.protection.outlook.com ~all
v=DMARC1; p=none;

NS 3

ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de

SOA 1

ns1.your-server.de postmaster.your-server.de

SRV 1

mail.your-server.de:443 p0

TLS Certificates (3)

Common Name	Issuer	Expires
`alphakurs.de`	C=US, O=Let's Encrypt, CN=YR1	Wed, 16 Sep 2026 11:44:54 +0000
`YR1`	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 (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_4327358db2d7843c
Output Hash: fa95f6c249a2ce8a7c119fd84621f932a38cb0dc8d81af043c4c82db22e470d9
Signature: ed25519:86305fb5141e69069ea56b820df7f249dab003bf1a8997b27d1844144bcbb39bca2f4d5970873f98718c669882c85481b3d6e0290c93e7dace54ad0b4cb01603
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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