utb.cz
Last scanned 18h ago; the signed record is unchanged since 26d ago. Every field below carries an Ed25519 signature from that last reading. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Not responding
Runs onCESNET z.s.p.o
Email byGoogle (SPF sender)
Google (SPF sender)Also usesProjectdiscoveryAppleMicrosoft 365Amazon Business
Apple
Microsoft 365
Amazon Businesstranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for utb.cz in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
SIGNED-OUT VIEW
Provider names, posture and counts are shown. The record values - every DNS answer, each subdomain hostname, raw TXT, IPs, cert names and WHOIS - are the product. Sign in for the full signed record, or use the API with a key.
DNS records 10
A1NS2MX1TXT5SOA1
TLS certificates 3
Issued byHellenic Academic and Research Institutions CA, Hellenic Academic and Research Institutions Cert. Authority
ExpiresTue, 01 De (86d)
Certificate nameswithheld
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 receiptthe raw cryptographic proof
- Receipt ID
rcpt_018e1293afe6b71d- Output Hash
21275cf963faf9e1fe951086a38665ad88c11a7964592508c5248652f1719f55- Signature
ed25519:07577c5f9426b9553b5ee741e2259a2ce318c25225db8be8ff076d4a3bd80ba5b12cfc9cb44712c3bb055b0781e0d451928a7c15682fea8a78ab9bb76bce300b- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast