CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 12,546 material changesacross 11,565+ domains · 24h to ~9h ago · a floor, 15h of 24 walkedNOW551 curated domains not reachablelast probe, steadySITE ERRORS34,701 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 154,271 sites429 rate-limit / 403 bot-block, a posture signal

duole.com

Observed Jul 27, 2026, 22:29 UTC (2d 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.

Not responding
Secured byGlobalSign
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 duole.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_59529a6becf7fb79
Output Hash
1be729a4a51497cfbab8285a9b08833756afe2cc990517788d3eab36184b31cd
Signature
ed25519:84e9d372f5e7da6742f482daf2e9351ab6058476b6a1624fc946c6604e63645f87f0125e330c8a65e0c91a6531baa2dac40e1143dd040b60b42a64dbe2ed9c0d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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