dfn.de

Observed 2026-07-15T06:06:39.690Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Also usesGoogle Search Console

IPv6 · 8 subdomains · tranco_10k

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

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

dfn.de

A / AAAA

37.208.106.1052a00:d0c0:c:2109::11

Cloudflareserves the site

ns3.dfn.dens2.dfn.dens1.dfn.dens4.dfn.de

dfn.deanswers its DNS

a1001.mx.srv.dfn.deb1001.mx.srv.dfn.dec1001.mx.srv.dfn.de

dfn.dereceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.dfn.de/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time880 ms

DNS resolutionNOERROR

Redirect chain

https://www.dfn.de/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

37.208.106.105

AAAA 1

2a00:d0c0:c:2109::11

MX 3

10a1001.mx.srv.dfn.de
10b1001.mx.srv.dfn.de
10c1001.mx.srv.dfn.de

TXT 6

google-site-verification=AHsv25T5W2sYiYNmYvU6z8a2G1H_7FM0vJOZf5uOhAE
v=spf1 include:_spf.s1004.mx.srv.dfn.de a:deneb.dfn.de include:_spf.dfn-cert.de include:_spft.telekom.com ~all
google-site-verification=aNjf9WiXv4G4mjXnYovwIjOS01qfUjBGQbV5xomVJ44
apple-domain-verification=TdQByV6omDQj06SD
v=DMARC1; p=none; rua=mailto:report-dmarc@dfn.de; ruf=mailto:report-dmarc@dfn.de; fo=1
v=DNSSEC1; (detected)

NS 4

ns3.dfn.de
ns2.dfn.de
ns1.dfn.de
ns4.dfn.de

SOA 1

ns1.dfn.de hostmaster.dfn.de

TLS Certificates (0)

None.

Subdomains (8)

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

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

Ed25519 Receipt

Receipt ID: 530d1686-f62b-44a9-9a81-bab8bfebf0b2
Output Hash: 8f83f0283ac0aa669b922149dd3b4d95819051a5fe6a880a8e47a2cf4bc14215
Signature: ed25519:99a1e19b4389899d51c2f62c4103484bf46731ef40e0bb5276adf23682350f1264c3bc626e23db23f827adb3c4c7174f4521c8e0c6fda8cfe7b5258b99fa9500
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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