service.edu.cn
Observed Jul 24, 2026, 03:26 UTC (10h 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.
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat service.edu.cn actually stands on - every host below is a signed observation
service.edu.cn
NS
ns1.service.edu.cnns2.service.edu.cn
edu.cnanswers its DNS
MX
mail.service.edu.cn
edu.cnreceives its email
DNS Records
MX 1
10mail.service.edu.cn
TXT 1
v=spf1 include:mail.service.edu.cn ~all
NS 2
ns1.service.edu.cnns2.service.edu.cn
SOA 1
ns1.service.edu.cn liyue.cernet.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 receiptEd25519 Receipt
- Receipt ID
rcpt_73bbcba7be2abdb8- Output Hash
031143d81e60d5aaadeda5cb0ca2bf6373c776832a60741ee240d25697cfd072- Signature
ed25519:d3d219cfde6d6b6e08f772a4a7635626fb02642e0d84f3684218de2b6623076d1512a642d7b82c7dfca78618d9150e1e9671fe9847b6fd0abfaecb9a0949ec01- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast