doppelkopf-app.de

Observed Jul 27, 2026, 14:34 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

Email byMicrosoft 365

Secured byLet's Encrypt

Also usesGoogle Search Console

3 subdomains · domcop

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

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

doppelkopf-app.de

A / AAAA

92.205.145.103

unattributedserves the site

ns05.domaincontrol.comns06.domaincontrol.com

domaincontrol.comanswers its DNS

doppelkopfapp-de02e.mail.protection.outlook.com

Microsoft 365receives its email

TLS

doppelkopf-app.de

Let's Encryptissued its certificate

DNS Records

A 1

92.205.145.103

MX 1

0doppelkopfapp-de02e.mail.protection.outlook.com

TXT 3

NETORGFT19687612.onmicrosoft.com
v=spf1 include:secureserver.net -all
google-site-verification=mXFEYf_yjAeq5F5lFIs62USmjPiEZ5wQDcKhWwmIGbI

NS 2

ns05.domaincontrol.com
ns06.domaincontrol.com

SOA 1

ns05.domaincontrol.com dns.jomax.net

TLS Certificates (3)

Common Name	Issuer	Expires
`doppelkopf-app.de`	C=US, O=Let's Encrypt, CN=YR1	Wed, 07 Oct 2026 02:17:53 +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 (3)

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

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

Ed25519 Receipt

Receipt ID: rcpt_48aeae94929ce22a
Output Hash: 425c5ef3518b5d925c889a01c491586572cda60ce32cbce2380324af0c793ffd
Signature: ed25519:5f2020f4c1b9f86f9019498b6bd4fbc04475b609ad907525a11c6a8787543bdb3da85807c5ee34c7a9ce7a1f2f7ebb7f6860f5f4ef01eb60279c963da61a110a
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/doppelkopf-app.de