upol.cz
Last scanned 17h ago; the signed record is unchanged since 34d ago. Every field below carries an Ed25519 signature from that last reading. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Runs onCESNET z.s.p.o
Email byGoogle (SPF sender)
Google (SPF sender)Secured byHellenic Academic and Research Institutions CA
Also usesGoogle Search Console
Google Search Consoletranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for upol.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 12
A1NS3MX4TXT3SOA1
TLS certificates 3
Issued byHellenic Academic and Research Institutions CA, Hellenic Academic and Research Institutions Cert. Authority
ExpiresTue, 24 No (71d)
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_3dad07ffc56a7199- Output Hash
35cbfecd2a51ecda8b6da3f04f0c878d7b06c67864819e427fb55a9c973773f0- Signature
ed25519:c7ff6b3a68a120bf799d75a733e244a5319ac14fd6c0c7ad9d8bebd2bb0b5a76a152d22f53dea0bd2ca43087b2edd3469359a2541634d3ae041a6c5afe5c4106- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast