appupgrade.dev

Observed Jul 25, 2026, 06:27 UTC (1d 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 byGoogle Workspace

Secured byLet's Encrypt

Also usesGoogle Search Console

1 subdomain · 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 appupgrade.dev. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_44ff1cf9319259b3
Output Hash: 8d8bda2378e5f8106a5f36e63a7fd91acc66fa18b212567d556e952222a94b74
Signature: ed25519:09baa27a33c792bf7bccafef8623a97044db8e40fe5db7fe5a3703b6bb57ff141f4e9a916dfad75468720bc1c544cd97ce5dcadaf66f6264a858270fb3beb804
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/appupgrade.dev