tul.cz

Last scanned 7h ago; the signed record is unchanged since 3d 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
Email byGoogle (SPF sender)
Secured byHellenic Academic and Research Institutions CA
Also usesMicrosoft 365AppleAutodeskGoogle Search Console
IPv6 · 2 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 tul.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 22

A1AAAA1NS2MX2TXT7CAA5SRV3SOA1

TLS certificates 4

Issued byHellenic Academic and Research Institutions CA, Hellenic Academic and Research Institutions Cert. Authority
ExpiresThu, 29 Oc (70d)
Certificate nameswithheld

Subdomains 2

2 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_8d65f9911c2ff098
Output Hash
e911447ac7a211a04235dc7049030c4dd61358d4f0dc3e805cf41112531ce4c1
Signature
ed25519:13e991811b064c8f59ff0936094db69180dfbc2afb6c27da2e5ca4ba436457be8c88a2930689066be7379e8cc65490d87745845e64e8f6e47547af07dc7ab00f
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
CONTINUOUS INTERNET TELEMETRY24H DRIFT9,666 material changesacross 5,577 domains · 24h to ~80m ago · +3,004 vs yesterdayROTATION64 domains moved DNS from koaladns.com to magpiedns.com, 52 moved backa rotation loop, not a migration · 24hREGISTRAR DRIFT3 changed registrar24hNOW127 curated domains not reachablelast probe, steadySITE ERRORS17,724 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 78,600 sites429 rate-limit / 403 bot-block, a posture signal