CONTINUOUS INTERNET TELEMETRY24H DRIFT10,391 material changesacross 9,961 domains · -238 vs yesterdayDNS DRIFT689 domains changed DNS providertop destination parity.domains · -91 vs yesterdayEMAIL DRIFT197 domains switched email providertop destination outlook.com · +27 vs yesterdayCERT DRIFT231 domains switched issuing CA24h · +1 vs yesterdayNOW699 curated domains not reachable-650 vs yesterdaySITE ERRORS17,980 sites serving errorslast probe · 5xx / 404 / TLSTHROTTLED96,011 throttled or blocked our scanner429 rate-limit / 403 bot-block

cdb.com.cn

Observed Jul 21, 2026, 17:43 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
Signed observation on record.
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat cdb.com.cn actually stands on - every host below is a signed observation
cdb.com.cn
NS
dns4.cdb.com.cndns6.cdb.com.cndns5.cdb.com.cndns3.cdb.com.cn+2 more
com.cnanswers its DNS
MX
cnbeisbas01.cdb.com.cn
com.cnreceives its email

DNS Records

MX 1

  • 5cnbeisbas01.cdb.com.cn

TXT 1

  • v=spf1 include:spf.cdb.com.cn -all

NS 6

  • dns4.cdb.com.cn
  • dns6.cdb.com.cn
  • dns5.cdb.com.cn
  • dns3.cdb.com.cn
  • dns2.cdb.com.cn
  • dns1.cdb.com.cn

SOA 1

  • dns2.cdb.com.cn admin.cdb.com.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 cdb.com.cn. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_59b989ee57197176
Output Hash
c0ff5f302740571a68fbef4fcc19bf05b0ad4cc6d669d36d912f77617ba8cca6
Signature
ed25519:9ba254c9072f425fc5013f825496e14c7b8b346f06813f8a795b0a29958a3fc236fd3792f62e4be090071fa5fd62c825388e575d297e706df1419f80e400fc0e
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser