CONTINUOUS INTERNET TELEMETRY24H DRIFT4,871 material changesacross 4,498 domains · 24h to ~2h ago · -3,892 vs yesterdayNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,304 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,289 sites429 rate-limit / 403 bot-block, a posture signalMOVERokta.comNo mail routes in the latest observation

usmart.hk

Observed Aug 2, 2026, 12:21 UTC (16h 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.

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Up right now
Secured byDigiCert
Also usesGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usmart.hk actually stands on - every host below is a signed observation
usmart.hk
A / AAAA
119.28.205.187
unattributedserves the site
NS
ns-1295.awsdns-33.orgns-1665.awsdns-16.co.ukns-53.awsdns-06.comns-872.awsdns-45.net
awsdns-33.org + awsdns-16.co.uk + moreanswers its DNS
MX
mxbiz2.qq.commxbiz1.qq.com
qq.comreceives its email
TLS
usmart.hk
DigiCert Incissued its certificate

DNS Records

A 1

  • 119.28.205.187

MX 2

  • 10mxbiz2.qq.com
  • 5mxbiz1.qq.com

TXT 2

  • v=spf1 include:spf.mail.qq.com ~all
  • google-site-verification=lln5T6zvzf_rpeywiQ_Cuu_M2S_xkexXvcKIc8TIztk

NS 4

  • ns-1295.awsdns-33.org
  • ns-1665.awsdns-16.co.uk
  • ns-53.awsdns-06.com
  • ns-872.awsdns-45.net

SOA 1

  • ns-872.awsdns-45.net awsdns-hostmaster.amazon.com

TLS Certificates (2)

Common NameIssuerExpires
usmart.hk C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G2 Wed, 30 Dec 2026 23:59:59 +0000
Encryption Everywhere DV TLS CA - G2 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Sat, 27 Nov 2027 12:46:40 +0000

Subdomains (1)

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.

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Ed25519 Receipt

Receipt ID
rcpt_cfa666846f7b9f64
Output Hash
12bf29ea5aed513252f9fa3826f9b3b548b5601c600002f3aa085f9b54b978e0
Signature
ed25519:c1d6c3f34e7a4a07ff7537fb307f8ff1bcdff780b406e6d7af0d17299e1ef2f930a39d6667c202384e76e80c1f1fb606d42afac22f2a141f0d71318aef573f0a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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