z3c.net
Observed Aug 2, 2026, 08:15 UTC (17h 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.
Not responding
Signed observation on record.
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat z3c.net actually stands on - every host below is a signed observation
z3c.net
NS
ns3.z3c.netns.z3c.netns5.z3c.net
z3c.netanswers its DNS
MX
mail.ibu.de
ibu.dereceives its email
DNS Records
MX 1
100mail.ibu.de
TXT 1
v=spf1 mx a:mail21.ibu.de a:mail.ibu.de ~all
NS 3
ns3.z3c.netns.z3c.netns5.z3c.net
SOA 1
ns.z3c.net hostmaster.bsn.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_68627e89943a049c- Output Hash
3d1ff0c64390c41f52befa5e144fcf9b9ecb6cf7f4feca060510b0efa90e3ae9- Signature
ed25519:fa8c4384a3ea8a4f3f1e12b221c9779431fa9e168cf1ba43e376e025055408113b812cd7fac83d6a8bb28e971a72705542731c5c26e9e46ad07d9f9fd908580e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast