cstnet.cn
Observed Aug 3, 2026, 01:55 UTC (7h 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
Runs onComputer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat cstnet.cn actually stands on - every host below is a signed observation
cstnet.cn
A / AAAA
159.226.27.40
Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)serves the site
NS
ns3.cstnet.cnns4.cstnet.cn
cstnet.cnanswers its DNS
MX
mx.cstnet.cnmx1.cstnet.cn
cstnet.cnreceives its email
DNS Records
A 1
159.226.27.40
MX 2
5mx.cstnet.cn1mx1.cstnet.cn
TXT 1
v=spf1 include:spf.mail.cstnet.cn -all
NS 2
ns3.cstnet.cnns4.cstnet.cn
SOA 1
panda.cstnet.cn dns-admin.cstnet.cn
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:dmarc-report@cstnet.cn; ruf=mailto:dmarc-report@cstnet.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_4ece13ee95e44e37- Output Hash
b42a922444f535571a959fa0ceee58522702bcda515627bc88d4e35169b25b40- Signature
ed25519:ad165739e2f03f3206bd442c0952c9ea0fe2a7c972f565e2404ed4dd3b12fde814543f45f71d63d9d62ca00b39b1359117c2b1c7a16612900cc735f3b75d9204- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast