CONTINUOUS INTERNET TELEMETRY24H DRIFT1,150 material changesacross 1,029 domains · +696 vs yesterdayDNS DRIFT25 domains changed DNS providertop destination parity.domains · +21 vs yesterdayEMAIL DRIFT6 domains switched email providertop destination pphosted.com · +4 vs yesterdayNOW577 curated domains not answering-1,638 vs yesterdayERRORS2,506 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED4,569 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT1,150 material changesacross 1,029 domains · +696 vs yesterdayDNS DRIFT25 domains changed DNS providertop destination parity.domains · +21 vs yesterdayEMAIL DRIFT6 domains switched email providertop destination pphosted.com · +4 vs yesterdayNOW577 curated domains not answering-1,638 vs yesterdayERRORS2,506 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED4,569 throttled or blocked our scanner429 rate-limit / 403 bot-block

uc.cn

Observed 2026-07-17T13:02:31.053897991+00:00 (2h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Signed observation on record.
tranco_5k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat uc.cn actually stands on - every host below is a signed observation
uc.cn
A / AAAA
219.133.46.154
unattributedserves the site
NS
vip3.alidns.comvip4.alidns.com
alidns.comanswers its DNS
MX
mail.ucweb.com
ucweb.comreceives its email

DNS Records

A 1

  • 219.133.46.154

MX 1

  • 10mail.ucweb.com

TXT 1

  • _globalsign-domain-verification=04On-TPXC385r8uf9w7pYG_fElLoAEEWcb-2ooDhhp

NS 2

  • vip3.alidns.com
  • vip4.alidns.com

SOA 1

  • vip3.alidns.com hostmaster.hichina.com

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 uc.cn. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
d697f88d-24fe-4d1b-a53d-b172272bda91
Output Hash
4134aec543579313eb3a2022fef77912938a67566117bcb5d1bf4faf01a33736
Signature
ed25519:e51c3bb6a94641e0187d9d1e4fa6aec70fc5628d14c0112bdeafc69a13de6717739516539a39cf503e7e4a191a7076db16f3da4d3eaf8fc6214bd8c27ba33a06
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser