CONTINUOUS INTERNET TELEMETRY24H DRIFT1,569 material changesacross 1,074 domains · last 24h · +762 vs yesterdayDNS DRIFT20 domains changed DNS providertop destination cloudflare.comEMAIL DRIFT2 domains switched email providertop destination hostmetro.comCERT DRIFT3 domains switched issuing CA24hNOW469 curated domains not reachable+47 vs yesterdaySITE ERRORS17,645 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 101,585 sites429 rate-limit / 403 bot-block, a posture signal

zknu.edu.cn

Observed Jul 25, 2026, 00:46 UTC (20h 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
Signed observation on record.
tranco_40k
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 zknu.edu.cn. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_0664725e4347fdd9
Output Hash
1cca4c3acf6188d717f8bf95034e00a3cb3461b8995d262dfc935f53cbeae607
Signature
ed25519:4502f9fc2f5eee27b3fccc845654b571ea0a47d4bd0d04fc70030c8274530682b8e581225ee800b100c32b30ba0ae86efb7070f65ee96c53287a2adfc8dd030d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser