CONTINUOUS INTERNET TELEMETRY24H DRIFT990 material changesacross 520 domains · last 24h · -9,425 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination cloudflare.com · -644 vs yesterdayEMAIL DRIFT4 domains switched email providertop destination google.com · -163 vs yesterdayCERT DRIFT2 domains switched issuing CA24h · -217 vs yesterdayNOW421 curated domains not reachable-282 vs yesterdaySITE ERRORS17,593 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 100,843 sites429 rate-limit / 403 bot-block, a posture signal

amacad.org

Observed Jul 24, 2026, 19:32 UTC (4h 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.

Up right now
Email bySalesforce
Secured byLet's Encrypt
Also usesGoogle Search Console
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 amacad.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_bbe6fe600a5671ce
Output Hash
2dfc4e8ef7132ebe414e5284f6a1f4e91e234c5e66b0151c03d8c3c8a0725491
Signature
ed25519:b878ca677544d620003c05ec71e22bb3609a879c18092c63bf52fbf07fe844934af65bb29e61e24df6d8eabc681a85fa66cc56c11a2e2cc3ff1135358ac41205
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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