pku.edu.cn
Observed Jul 24, 2026, 17:45 UTC (1d 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.
education_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat pku.edu.cn actually stands on - every host below is a signed observation
pku.edu.cn
A / AAAA
162.105.131.160
unattributedserves the site
NS
DNS2.pku.edu.cnns.pku.edu.cnDNS1.pku.edu.cnDNS3.pku.edu.cn
edu.cnanswers its DNS
MX
mx-pku-edu-cn.icoremail.netgateway.pku.edu.cn
icoremail.net + edu.cnreceives its email
DNS Records
A 1
162.105.131.160
MX 2
5mx-pku-edu-cn.icoremail.net10gateway.pku.edu.cn
TXT 3
_hzos8v1tcdrxo5uk1i5qyl7pnu7w15xv=spf1 ip4:162.105.129.0/24 include:spf.icoremail.net -allv=DMARC1; p=quarantine; sp=reject; fo=1; ruf=mailto:dmarc@pku.edu.cn; rua=mailto:dmarc_report@pku.edu.cn
NS 4
DNS2.pku.edu.cnns.pku.edu.cnDNS1.pku.edu.cnDNS3.pku.edu.cn
SOA 1
ns.pku.edu.cn hostmaster.pku.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 receiptEd25519 Receipt
- Receipt ID
rcpt_f1864bc6e9094128- Output Hash
762d9d466d678804dcbf71c1dbe81fcab6a6d97b7586b8101f35eaf6dbe4c2e1- Signature
ed25519:2ca9d64e0c6483f156cfacfa12206f88ec2f0761244b19ce15b23569350e30ab452bca5bf5eb20f33305133cf34a7f623fc81fa06e66808fd6e26aee40c39d06- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast