fzi.de

Observed Jul 19, 2026, 03:04 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Signed observation on record.

Also usesZoomGoogle Search Console

IPv6 · 7 subdomains · tranco_100k

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

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

fzi.de

A / AAAA

141.21.0.13141.21.0.12141.21.0.112001:67c:2acc:10:141:21:0:12+3 more

2001serves the site

fzi-dc-06.fzi.defzi-dc-05.fzi.defzi-dc-07.fzi.densb0.schlundtech.de

fzi.de + schlundtech.deanswers its DNS

fzi-mail-in-02.fzi.defzi-mail-in-01.fzi.de

fzi.dereceives its email

HTTPS probe

timeout No response within the timeout Connection timed out - no response within 3s

HTTP status0

Servernot observed

TLS protocolnot observed

TLS issuernot observed

Behind Cloudflareno

Response time6200 ms

DNS resolutionNOERROR

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

DNS Records

A 3

141.21.0.13
141.21.0.12
141.21.0.11

AAAA 4

2001:67c:2acc:10:141:21:0:12
2001:67c:2acc:10:141:21:0:13
2001:67c:2acc:8:141:21:17:45
2001:67c:2acc:10:141:21:0:11

MX 2

50fzi-mail-in-02.fzi.de
10fzi-mail-in-01.fzi.de

TXT 9

ZOOM_verify_HeekmtpmSISwv6WSB3adbQ
MS=763AA842D08DE7042FBF886A00AF70080905CCBE
google-site-verification=QuCAZOKIKKrqegNqJLwGZ9chipWDlLA6ejkM0x3GjX8
openai-domain-verification=dv-ABhzqdQutjj3nwzYTHmSPoYE
apple-domain-verification=qto0rDt8aOf5YExZ
v=spf1 ip4:141.21.17.46 ip4:141.21.17.47 ip6:2001:67c:2acc:8:141:21:17:46 ip6:2001:67c:2acc:8:141:21:17:47 ip4:141.21.8.137 ip6:2001:67c:2acc:5:141:21:8:137 ip4:141.21.8.250 ip4:141.21.8.251 ip4:141.21.8.252 include:spf.protection.outlook.com -all
HARICA-wf2GwMzxpcGvurQdyUH
v=DMARC1;p=none;rua=mailto:dmarc-rua-fzi@fzi.de;ruf=mailto:dmarc-ruf-fzi@fzi.de
v=DKIM1; (detected)

NS 4

fzi-dc-06.fzi.de
fzi-dc-05.fzi.de
fzi-dc-07.fzi.de
nsb0.schlundtech.de

SOA 1

fzi-dc-05.fzi.de hostmaster.fzi.de

TLS Certificates (0)

None.

Subdomains (7)

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

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

Ed25519 Receipt

Receipt ID: 4bc62287-6624-42b0-a278-ae74d2224f76
Output Hash: 890a87cd06ff223f367e6327082114833962ec33892b1bbea369a265faee5150
Signature: ed25519:8bc96e626473dcf933c314f81c3e9ae271d5efb6e1ecba781a2a87f736f7aae44d36a05020ccdd47fb92c460391978e2750595e5fa9a735451fffc9f9d44d30a
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

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