fzi.de
Observed Jul 21, 2026, 16:49 UTC (3h ago). Every field below was attested with an Ed25519 signature at scan time.
Not responding
Signed observation on record.
Also usesZoomGoogle Search Console
IPv6 · 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:10:141:21:0:13+3 more
2001serves the site
NS
fzi-dc-05.fzi.densb0.schlundtech.defzi-dc-07.fzi.defzi-dc-06.fzi.de
fzi.de + schlundtech.deanswers its DNS
MX
fzi-mail-in-01.fzi.defzi-mail-in-02.fzi.de
fzi.dereceives its email
DNS Records
A 3
141.21.0.13141.21.0.12141.21.0.11
AAAA 4
2001:67c:2acc:10:141:21:0:132001:67c:2acc:10:141:21:0:122001:67c:2acc:10:141:21:0:112001:67c:2acc:8:141:21:17:45
MX 2
10fzi-mail-in-01.fzi.de50fzi-mail-in-02.fzi.de
TXT 8
openai-domain-verification=dv-ABhzqdQutjj3nwzYTHmSPoYEZOOM_verify_HeekmtpmSISwv6WSB3adbQv=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 -allMS=763AA842D08DE7042FBF886A00AF70080905CCBEgoogle-site-verification=QuCAZOKIKKrqegNqJLwGZ9chipWDlLA6ejkM0x3GjX8HARICA-wf2GwMzxpcGvurQdyUHapple-domain-verification=qto0rDt8aOf5YExZv=DMARC1;p=none;rua=mailto:dmarc-rua-fzi@fzi.de;ruf=mailto:dmarc-ruf-fzi@fzi.de
NS 4
fzi-dc-05.fzi.densb0.schlundtech.defzi-dc-07.fzi.defzi-dc-06.fzi.de
SOA 1
fzi-dc-06.fzi.de hostmaster.fzi.de
TLS Certificates (0)
None.
Subdomains (0)
None observed.
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 receiptEd25519 Receipt
- Receipt ID
rcpt_58ab4c621ecbc0eb- Output Hash
44c783703f31e7d9973f42a3061553a2bdb0ec915f088fe781e08c05601a4d0a- Signature
ed25519:cd3c7d5670c153b21a64dd58d211e813274a5d6c97dd3ff63f1640ad0a42ffe065833e2a85e836aac7882316c6a3ff3efc3a3241a7a1efa345490b4bbf835604- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast