slu.cz

Last scanned 18h ago; the signed record is unchanged since 12d 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-GRANSY
Also usesMicrosoft 365Facebook/MetaGoogle Search Console
IPv6 · 68 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 slu.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 13

A1AAAA1NS4MX2TXT4SOA1

TLS certificates 3

Issued byHellenic Academic and Research Institutions CA, Hellenic Academic and Research Institutions Cert. Authority
ExpiresSat, 28 No (97d)
Certificate nameswithheld

Subdomains 68

68 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_7e5a2fa7a363ed82
Output Hash
e4d7c290516aea731f1b7839fa6b81ca75a83b16b1994af37a5fb77cf9c26026
Signature
ed25519:9698db2db178719fde0698c661c1b13a4f1d213069ec42fea385cca96f1ecf77565ad33f726a66f3ac0db1d006510afbdb083b3d242e7630b22650e5167a5607
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 27,483 material changesacross 16,090+ domains · 24h to ~8h ago · a floor, 16h of 24 walkedROTATION61 domains moved DNS from magpiedns.com to koaladns.com, 49 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hCERT DRIFT1 domains switched issuing CA24hREGISTRAR DRIFT1 changed registrar24hNOW242 curated domains not reachable+33 vs yesterdaySITE ERRORS17,832 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 79,280 sites429 rate-limit / 403 bot-block, a posture signal