testbook.com

Observed Jul 25, 2026, 14:38 UTC (9h 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onCloudflare

Email byGoogle Workspace

Secured bySectigo

Also usesFacebook/MetaGoogle Search Console

IPv6 · tranco_5k

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 testbook.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_dd82e8ba7cf9075f
Output Hash: eaec3bd9fcb88fd00068c7f5f70e88bc62580a543c29c566ccf1b68d2c260165
Signature: ed25519:03b7f6c7477ee5dc827a96eaeabdc3e243cb0cd25e2b953ee298f2b454d121dba6415d57b6b2f8eb31a0164ca25ab9ab1e688345d40e25c46da1909bd56f860e
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/testbook.com