zcu.cz

Observed Jul 24, 2026, 19:21 UTC (18h 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.

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Up right now

Runs onCESNET z.s.p.o

Secured byLet's Encrypt

IPv6 · 1 subdomain · tranco_40k

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 zcu.cz. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_cad979556f790ff0
Output Hash: 4e709b94d85d846ec99af3ec27ec07b6d41c9a96b7d97cef918a066952d21736
Signature: ed25519:0eba488fb9b173484c43c5474fbfb5d4d0a46c05d5ba16f72f408ecdd9e84800e222d9d937dd533d1190ba35f4ee47ddbdf7260e823a10ba908017e7aaaa6507
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/zcu.cz