usc.edu.cn

Observed Jul 27, 2026, 22:38 UTC (6d 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

Not responding

Signed observation on record.

tranco

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

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

usc.edu.cn

dns2.usc.edu.cndns.usc.edu.cn

edu.cnanswers its DNS

mxbiz1.qq.commxbiz2.qq.com

qq.comreceives its email

DNS Records

MX 2

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

TXT 1

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

NS 2

dns2.usc.edu.cn
dns.usc.edu.cn

SOA 1

dns.usc.edu.cn lizhimin.usc.edu.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 usc.edu.cn. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_5c660b45957615b3
Output Hash: 82f2adc6082c43f92694243266553ab610d6bc2e6d5fc38f85301a93903019d8
Signature: ed25519:8f677ebf1ac13d21abb83c19e021f3b93c9afa56ffa9008f0c4740b609bf75cf74c0286c5916f625075b3fa8b5930bde65ed24f9b62ffe0e5548050c75494a0a
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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