CONTINUOUS INTERNET TELEMETRY24H DRIFT9,965 material changesacross 9,555 domains · last 24h · -450 vs yesterdayDNS DRIFT638 domains changed DNS providertop destination cloudflare.com · -21 vs yesterdayEMAIL DRIFT157 domains switched email providertop destination google.com · -10 vs yesterdayCERT DRIFT207 domains switched issuing CA24h · -12 vs yesterdayNOW711 curated domains not reachablelast probe, steadySITE ERRORS18,180 sites serving errorslast probe · 5xx / 404 / TLSTHROTTLED96,693 throttled or blocked our scanner429 rate-limit / 403 bot-block

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.com
  • cl2.sfndns.com
  • vip1.sfndns.cn
  • vip2.sfndns.cn
  • cl1.sfndns.cn
  • cl2.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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for sfndns.cn. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_1e15b87ec807ce75
Output Hash
ecb277341b998d898eb4a5d78ff87ff79643c81e88f996ad78b4c045cead2910
Signature
ed25519:622312e5a9b1ba19d6b97f1cf45032e458d38399a544ece8aa50398eebe3b6c596770ffc89ceb454cb77d056bc7659469c7c660f382cea3c4a7423a2fd4ba90e
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser