CONTINUOUS INTERNET TELEMETRY24H DRIFT9,850 material changesacross 9,431 domains · 24h to ~85m ago · -31,010 vs yesterdayNOW564 curated domains not reachablelast probe, steadySITE ERRORS34,226 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,310 sites429 rate-limit / 403 bot-block, a posture signalMOVERokta.comNo mail routes in the latest observation

us3c.com.tw

Observed Jul 27, 2026, 19:40 UTC (6d 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.

Verify this receipt yourself + Watch this domain
Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured bySectigo
Also usesGoogle Search Console
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat us3c.com.tw actually stands on - every host below is a signed observation
us3c.com.tw
A / AAAA
172.104.40.16
Cloudflareserves the site
NS
lucy.ns.cloudflare.comwalt.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
www.us3c.com.tw
Sectigo Limitedissued its certificate

DNS Records

A 1

  • 172.104.40.16

MX 5

  • 1aspmx.l.google.com
  • 10alt3.aspmx.l.google.com
  • 10alt4.aspmx.l.google.com
  • 5alt1.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com

TXT 5

  • apple-domain-verification=lEfopFNSuEuPLjlp
  • google-site-verification=AQGWeSBiQizWI_yfyughfulsqgLIIMnCmM8vGL9_Y4g
  • google-site-verification=Lg9vSr8tKlSclK8Ui6T2ox1XZ2Apm6PD8uUOiPqoxlU
  • v=msv1 t=5e9525c3a94b114b8e3fe36cc1ae29
  • v=spf1 include:hotmail.com ~all

NS 2

  • lucy.ns.cloudflare.com
  • walt.ns.cloudflare.com

SOA 1

  • lucy.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (4)

Common NameIssuerExpires
www.us3c.com.tw C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 Thu, 26 Nov 2026 23:59:59 +0000
Sectigo Public Server Authentication CA DV R36 C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 Fri, 21 Mar 2036 23:59:59 +0000
Sectigo Public Server Authentication Root R46 C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 23:59:59 +0000
USERTrust RSA Certification Authority C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 23:59:59 +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.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_26261fa6866db875
Output Hash
d192628b1edf573c307932862ffffccfa5b8de95c2ca866ea8ae888c6967db6e
Signature
ed25519:b6a2ee29b8758f5f798def4601469238d8b3170dc00931f4a908613c681e963c6ceb90b503dcacf2b798bc0ab035a2c519da01541b93b2ebe739fe050cbd8e05
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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