sfndns.cn
Observed Jul 22, 2026, 00:08 UTC (2d 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_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat sfndns.cn actually stands on - every host below is a signed observation
sfndns.cn
NS
cl1.sfndns.comcl2.sfndns.comvip1.sfndns.cnvip2.sfndns.cn+2 more
sfndns.com + sfndns.cnanswers its DNS
DNS Records
NS 6
cl1.sfndns.comcl2.sfndns.comvip1.sfndns.cnvip2.sfndns.cncl1.sfndns.cncl2.sfndns.cn
SOA 1
cl1.sfndns.cn mail.sfn.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_1e15b87ec807ce75- Output Hash
ecb277341b998d898eb4a5d78ff87ff79643c81e88f996ad78b4c045cead2910- Signature
ed25519:622312e5a9b1ba19d6b97f1cf45032e458d38399a544ece8aa50398eebe3b6c596770ffc89ceb454cb77d056bc7659469c7c660f382cea3c4a7423a2fd4ba90e- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast