CONTINUOUS INTERNET TELEMETRY24H DRIFT722 material changesacross 235 domains · last 24h · -85 vs yesterdayDNS DRIFT1 domain changed DNS providertop destination hichina.comNOW520 curated domains not reachable+98 vs yesterdaySITE ERRORS17,666 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 100,831 sites429 rate-limit / 403 bot-block, a posture signal

as4u.cz

Observed Jul 25, 2026, 02:48 UTC (11h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Up right now
Secured byDigiCert
Also usesGoogle Search Console
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.

No payload stored for this observation.

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; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for as4u.cz. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for as4u.cz <a href="https://domaindrift.io/t/as4u.cz"> <img src="https://domaindrift.io/badge/as4u.cz.svg" width="300" height="64" alt="DomainDrift signed observations for as4u.cz"> </a>

Ed25519 Receipt

Receipt ID
rcpt_d1049b745b18660b
Output Hash
c541d4253fe724baeff5ab36d6c7bfd2e3e4a79acf22a5adf4a823060b45a39f
Signature
ed25519:9fb08c0744573f92f45baa394bd6cfa320d6141629518a4228db33c74b6d0c740ea213bef7ae1bcde58e4b50f14e4f4a079d9c3b1b435a3e58ff2392cf01a505
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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