csc.fi

Observed Jul 24, 2026, 19:36 UTC (10h 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

Email byZendesk

Secured byLet's Encrypt

IPv6 · 1 subdomain · tranco_100k

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 csc.fi. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_474895b4ee525a16
Output Hash: b738a0e3b415b37024ca78f78350e5b9ee5988f352f0c133d1ccb603ed3d7199
Signature: ed25519:3a55c5ab315b32091f3dd47a612663cfb24baf3390e52a6f87d6a0c1e34476200c182731d2fb47acf8334e04005f423cacc7a837be96ac4014c0d0267249e107
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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