centria.fi

Last scanned 13h ago; the signed record is unchanged since 5d 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 onCSC - Tieteen tietotekniikan keskus Oy
Email byMicrosoft 365
Secured byHellenic Academic and Research Institutions CA
Registered toCentria-ammattikorkeakoulu Oy
Also usesAppleCanvaHave I Been Pwned
8 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for centria.fi 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 14

A1NS5MX1TXT6SOA1

TLS certificates 3

Issued byHellenic Academic and Research Institutions CA, Hellenic Academic and Research Institutions Cert. Authority
ExpiresSun, 21 Fe (184d)
Certificate nameswithheld

Subdomains 8

8 subdomain hostnames 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_9f235734474a307b
Output Hash
6f8824749ea5dcdc8772235cadde42b81104501a0ebe41d42ed3a5cc39aa37ab
Signature
ed25519:2dfacabdacbf4c5c9e447551107b7a3da804e2392a936c3199acc69ff90e0e541f0da19db557e2d617368a7075241d554865ee875e9d703294585bccce2adb05
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT12,970 material changesacross 10,696 domains · 24h to ~16h ago · +6,308 vs yesterdayROTATION73 domains moved DNS from koaladns.com to kirklanddc.com, 72 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT4 changed registrar24hNOW179 curated domains not reachable+59 vs yesterdaySITE ERRORS17,785 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 77,952 sites429 rate-limit / 403 bot-block, a posture signal