bt.cn

Observed Jul 24, 2026, 03:11 UTC (5h 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onChina Unicom Guangdong IP network

Secured bysslTrus

Also usesGoogle Search Console

IPv6 · tranco_20k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat bt.cn actually stands on - every host below is a signed observation

bt.cn

A / AAAA

157.255.129.2512001:19f0:7001:54fc:5400:2ff:fe9b:97f9

China Unicom Guangdong IP networkserves the site

vip3.alidns.comvip4.alidns.com

alidns.comanswers its DNS

mail.bt.cn

bt.cnreceives its email

TLS

*.bt.cn

sslTrusissued its certificate

DNS Records

A 1

157.255.129.251

AAAA 1

2001:19f0:7001:54fc:5400:2ff:fe9b:97f9

MX 1

10mail.bt.cn

TXT 4

v=spf1 a mx -all
google-site-verification=T_Dp27KV30n1mzB0BwaVHZzAR7CYJ7E6DCNU30fz1CY
202006140135465jku4f66s84knkzqfhymyot20dlksu51gbge4j93nmd9rutp4i
v=DMARC1;p=quarantine;rua=mailto:admin@bt.cn

NS 2

vip3.alidns.com
vip4.alidns.com

SOA 1

vip3.alidns.com hostmaster.hichina.com

TLS Certificates (3)

Common Name	Issuer	Expires
`*.bt.cn`	C=CN, O=sslTrus, CN=sslTrus (RSA) OV CA	Mon, 17 Aug 2026 23:59:59 +0000
`sslTrus (RSA) OV CA`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Tue, 31 Dec 2030 23:59:59 +0000
`USERTrust RSA Certification Authority`	C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services	Sun, 31 Dec 2028 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; nothing leaves your machine.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_523c762ba374a2c6
Output Hash: 8c72c39c506868c26f00d4786478cbbdb9eb6e0da7353fbe36718183c5687d9c
Signature: ed25519:fa15d3328237b2b4580526725d231181938ec189ffe46c2040299cec2c0783ba1d7d9ebac42491ecfeb71a91ccff703dce1e926b972aa64ac2ae8bdade3dea02
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/bt.cn