osu.cz

Last scanned 11h ago; the signed record is unchanged since 9d 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
Secured byHellenic Academic and Research Institutions CA
Registered withREG-CZNIC
Also usesMicrosoft 365AppleGoogle Search Console
IPv6 · 44 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for osu.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 21

A1AAAA1NS3MX2TXT6CAA6SRV1SOA1

TLS certificates 3

Issued byHellenic Academic and Research Institutions CA, Hellenic Academic and Research Institutions Cert. Authority
ExpiresTue, 08 Se (14d)
Certificate nameswithheld

Subdomains 44

44 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_13fa018257eab5a9
Output Hash
67431b5feca7cabd86495e28037b67c593e7b00d81b352d72754c9f8a2ba2490
Signature
ed25519:296eb0f12aa0a389fc3c301d0ebeb36244a7b877f23a95f8f67aa9fbec088391e52497f4a33c4289079abede94f8c80fca3e5d05fd6754a18cd2bc14f1304b03
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT10,704 material changesacross 8,868 domains · last 24hROTATION55 domains moved DNS from koaladns.com to magpiedns.com, 53 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT2 changed registrar24hNOW424 curated domains not reachablelast probe, steadySITE ERRORS17,752 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 78,839 sites429 rate-limit / 403 bot-block, a posture signal