certh.gr

Last scanned 15h 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.

Responding, no home page
Runs onCenter for Research and Technology Hellas (CERTH)
Secured byHellenic Academic and Research Institutions CA
Also usesMicrosoft 365Cisco
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for certh.gr 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 11

A1NS4MX1TXT4SOA1

TLS certificates 2

Issued byHellenic Academic and Research Institutions CA
ExpiresSat, 05 De (106d)
Certificate nameswithheld

Subdomains 1

1 subdomain hostname observed and signed - the list itself is part of the paid record.

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 receipt
Ed25519 receiptthe raw cryptographic proof
Receipt ID
rcpt_7efe82bb35ad09aa
Output Hash
9489d70a6fd13de85fb57b2e8ddcc39700f378198f6ea7bed36894df25f9f379
Signature
ed25519:c95ef0d24a2c25fec5a138c8efac6aedf678d0b317eb6d302a07d7c8ab36ae0e7a639827bdbd8c1bf8f47c3ed297c04624aae802394991f67deec3abe198d50d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT14,344 material changesacross 11,194 domains · 24h to ~12h ago · +7,682 vs yesterdayROTATION65 domains moved DNS from koaladns.com to kirklanddc.com, 62 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT2 changed registrar24hNOW165 curated domains not reachable+45 vs yesterdaySITE ERRORS17,781 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 78,032 sites429 rate-limit / 403 bot-block, a posture signal