CONTINUOUS INTERNET TELEMETRY24H DRIFT34,178 material changesacross 31,769 domains · 24h to ~2h agoDNS DRIFT54 domains changed DNS providertop destination koaladns.com · +32 vs yesterdayNOW556 curated domains not reachablelast probe, steadySITE ERRORS33,680 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 157,156 sites429 rate-limit / 403 bot-block, a posture signal

e21.edu.cn

Observed Aug 3, 2026, 03:50 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of e21.edu.cn was taken 2d ago

e21.edu.cn is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting e21.edu.cn under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

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Not responding
Signed observation on record.
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat e21.edu.cn actually stands on - every host below is a signed observation
e21.edu.cn
A / AAAA
211.67.64.133
unattributedserves the site
NS
dns.e21.edu.cn
edu.cnanswers its DNS
MX
mail.e21.edu.cn
edu.cnreceives its email

DNS Records

A 1

  • 211.67.64.133

MX 1

  • 5mail.e21.edu.cn

TXT 1

  • v=spf1 ip4:58.49.110.243 ip4:223.75.52.198 ip4:113.57.190.218 ~all

NS 1

  • dns.e21.edu.cn

SOA 1

  • dns.e21.edu.cn webmaster.e21.edu.cn

TLS Certificates (0)

None.

Subdomains (0)

None observed.

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.

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Ed25519 Receipt

Receipt ID
rcpt_2de269a20f30c421
Output Hash
04f7a4919a9dede8592d42f9efb2ef0e7d5678142d6bc454546a72ff709437e7
Signature
ed25519:263ece69a83e9e33e1bfdc5e50e3828f59380e20934208940bf6bdcb615f8ebcde28c0e179203295ca5aadefe5efe1a462cc34dec2f7de0c9497d06675a18100
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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