cermat.cz
Last scanned 19h ago; the signed record is unchanged since 10d 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 onT-Mobile Czech Republic a.s
Email byMicrosoft 365
Microsoft 365Secured byDigiCert
DigiCertAlso usesGoogle Search Console
Google Search ConsoleDNSSEC on · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for cermat.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 7
A1NS2MX1TXT2SOA1
TLS certificates 3
Issued byDigiCert
ExpiresFri, 20 No (92d)
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_347126922b03cbf0- Output Hash
cb4faf6cfea01b13697d58d649f9bf6bca88bc32c9e7e43fdfb99a0ad263e0b4- Signature
ed25519:d8aecec3d8bff2fbf85a9514fa909df89b0d29d3056a7f70355f3a76e5d10f730ca00944a7a898fb729a3b6cb8eb3b759cb546e4732d267adbaa00c419c1eb04- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast