kaoyan.cn

Observed Aug 16, 2026, 09:32 UTC (13h 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 byDigiCert
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat kaoyan.cn actually stands on - every host below is a signed observation
kaoyan.cn
A / AAAA
39.105.130.27
unattributedserves the site
NS
dns2.resource.edu.cndns1.resource.edu.cn
edu.cnanswers its DNS
TLS
*.kaoyan.cn
DigiCertissued its certificate

DNS Records

A 1

  • 39.105.130.27

NS 2

  • dns2.resource.edu.cn
  • dns1.resource.edu.cn

SOA 1

  • ns.kaoyan.cn postmaster.kaoyan.cn

TLS Certificates (2)

Common NameIssuerExpires
*.kaoyan.cn C=US, O=DigiCert, Inc., CN=DigiCert Basic OV G2 TLS CN RSA4096 SHA256 2022 CA1 Tue, 08 Dec 2026 23:59:59 +0000
DigiCert Basic OV G2 TLS CN RSA4096 SHA256 2022 CA1 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Tue, 14 Dec 2032 23:59:59 +0000

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; the only network request the check makes is for the published public keys.

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Ed25519 Receipt

Receipt ID
rcpt_7094036c2b4cd2a2
Output Hash
75c71480ea471b56f8878ddd2e329e16e89a7a5af22fdf6138fa219069500820
Signature
ed25519:a2767568598775816fbefaea42ed2d43b8187b7d2d9fef85f4c55b71da0456d20ce100c76d6ec993dfb6a77c90c0f0606052f2c0fcef7ca5a663bc6435892c09
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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CONTINUOUS INTERNET TELEMETRY24H DRIFT41,073 material changesacross 39,134 domains · 24h to ~2h ago · -486 vs yesterdayROTATION61 domains moved DNS from koaladns.com to magpiedns.com, 59 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW593 curated domains not reachable+98 vs yesterdaySITE ERRORS35,566 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,265 sites429 rate-limit / 403 bot-block, a posture signal