CONTINUOUS INTERNET TELEMETRY24H DRIFT10,765 material changesacross 10,344 domains · +136 vs yesterdayDNS DRIFT754 domains changed DNS providertop destination parity.domains · -26 vs yesterdayEMAIL DRIFT188 domains switched email providertop destination outlook.com · +18 vs yesterdayCERT DRIFT214 domains switched issuing CA24h · -16 vs yesterdayNOW974 curated domains not reachable-375 vs yesterdaySITE ERRORS18,634 sites serving errorslast probe · 5xx / 404 / TLSTHROTTLED95,173 throttled or blocked our scanner429 rate-limit / 403 bot-block

jyb.cn

Observed Jul 22, 2026, 00:49 UTC (1d 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
Runs onChina Education and Research Network Center
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jyb.cn actually stands on - every host below is a signed observation
jyb.cn
A / AAAA
121.194.3.160
China Education and Research Network Centerserves the site
NS
ns1.jyb.com.cnns2.jyb.com.cn
com.cnanswers its DNS
MX
mxbiz2.qq.commxbiz1.qq.com
qq.comreceives its email

DNS Records

A 1

  • 121.194.3.160

MX 2

  • 10mxbiz2.qq.com
  • 5mxbiz1.qq.com

TXT 1

  • v=spf1 include:spf.mail.qq.com ~all

NS 2

  • ns1.jyb.com.cn
  • ns2.jyb.com.cn

SOA 1

  • ns.jyb.cn postmaster.jyb.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.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for jyb.cn. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_1d67eb3f2d3854b8
Output Hash
44444bb506e6c0ae8e5c433698e30d970aca757d552515e36ad71ba5f38e2221
Signature
ed25519:e7275f49ffe19029a120ff2905f1d98a4abc90a70d179ee9e7d01bb62ed9bac9ec07b5a9dbc306fae63ffd3f42988651b3d223619f824a46a387197a66de8b0e
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser