bsi.bund.de

Observed Jul 21, 2026, 19:35 UTC (20h 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

Runs onITZBund

Secured byD-Trust GmbH

1 subdomain · push_legacy

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

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

bsi.bund.de

A / AAAA

80.245.144.218

ITZBundserves the site

mx1.bund.demx2.bund.de

bund.dereceives its email

TLS

www.bsi.bund.de

D-Trust GmbHissued its certificate

DNS Records

A 1

80.245.144.218

MX 2

10mx1.bund.de
10mx2.bund.de

TXT 4

v=spf1 include:_spf1.bund.de -all
apple-domain-verification=e47sn9INA83Ar3UT
apple-domain-verification=mc8uJaIgueM41k9h
v=DMARC1; p=reject;rua=mailto:bsi.bund.de@dmarc.reports.bund.de;

CAA 5

iodef "mailto:isb@bsi.bund.de"
issue "d-trust.de"
issue "letsencrypt.org"
issue "pki.dfn.de"
issuewild ""

TLS Certificates (3)

Common Name	Issuer	Expires
`www.bsi.bund.de`	C=DE, O=D-Trust GmbH, CN=D-TRUST BR CA 2-23-1 2023	Sun, 18 Oct 2026 06:26:20 +0000
`D-TRUST BR CA 2-23-1 2023`	C=DE, O=D-Trust GmbH, CN=D-TRUST BR Root CA 2 2023	Sun, 09 May 2038 08:56:30 +0000
`D-TRUST BR Root CA 2 2023`	C=DE, O=D-Trust GmbH, CN=D-TRUST Root Class 3 CA 2 2009	Mon, 05 Nov 2029 08:35:58 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_2c57e5a9331f8374
Output Hash: 679d5091fec9a9f658b6d34243f71411541d39e6ed8dc71af5c75d4cb7f3924d
Signature: ed25519:3da5eb44e19cb38ba2c4e1b52e7827a8af58d9b16ced10d5a67a2b6ba12edf0492273bf16540a1cef6c016b85f1d3ce8ba73db4a9d122d69245ed3490d18a209
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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