cau.edu.cn

Observed Jul 24, 2026, 03:28 UTC (6h 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 Education and Research Network Center

Secured byGlobalSign

Also usesGoogle Search Console

tranco_40k

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

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

cau.edu.cn

A / AAAA

202.205.80.179

China Education and Research Network Centerserves the site

ns.cau.edu.cnnsb.cau.edu.cn

edu.cnanswers its DNS

mx-cau-edu-cn.icoremail.netgw1.cau.edu.cngw2.cau.edu.cn

icoremail.net + edu.cnreceives its email

TLS

*.cau.edu.cn

GlobalSign nv-saissued its certificate

DNS Records

A 1

202.205.80.179

MX 3

3mx-cau-edu-cn.icoremail.net
5gw1.cau.edu.cn
5gw2.cau.edu.cn

TXT 4

google-site-verification=Iya0Br1NJ3a9kQ9tKysvfkSKm5DZLBEON2CTHmAoMWA
google-site-verification=Y9Zg-qVkdizAGjyp9hXIofB3roPPDIxBmbGg83d51ig
v=spf1 mx ip4:211.82.93.128 ip4:211.82.93.129 ip4:211.82.95.94 ip4:211.82.93.96 ip4:211.82.95.95 ip4:211.82.93.97 ip4:114.251.217.111 ip4:114.251.217.10 ip4:114.251.217.13 ip6:2001:250:209:B02::173 include:spf.icoremail.net -all
v=DMARC1;p=none;ruf=mailto:dmarc@cau.edu.cn;rua=mailto:dmarc_report@cau.edu.cn

NS 2

ns.cau.edu.cn
nsb.cau.edu.cn

SOA 1

ns.cau.edu.cn root.ns.cau.edu.cn

TLS Certificates (2)

Common Name	Issuer	Expires
`*.cau.edu.cn`	C=BE, O=GlobalSign nv-sa, CN=GlobalSign RSA OV SSL CA 2018	Sun, 27 Sep 2026 03:53:40 +0000
`GlobalSign RSA OV SSL CA 2018`	2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign	Tue, 21 Nov 2028 00:00:00 +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 cau.edu.cn. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_1800a2a3786bbe57
Output Hash: 0e0e14ec3577c83b46602e076c5403f4fcc242e128a105456c47f58012d070e8
Signature: ed25519:417867ce40c1a843ecfa95059ef2ccac2fcc489e0540c023acffc1a09694ee9e00e8f65b7e747411419d2a59b7b274fb0b24528f1865edf94ba913de5c14de05
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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