ost.ch

Observed Jul 24, 2026, 19:35 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 byMicrosoft 365

Secured byLet's Encrypt

Also usesGoogle Search ConsoleMiroAtlassian

IPv6 · 6 subdomains · 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.

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

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

Ed25519 Receipt

Receipt ID
Output Hash: 7a39ea6a18da7bd16d60dad1b8c70217d656e5742fbcd122c0cb17ad108dfd03
Signature: (receipt not held at this host)
Public Key: connor-fast-v0.13.0
Parent: (genesis)
Plane: fast

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