CONTINUOUS INTERNET TELEMETRY24H DRIFT12,276 material changesacross 11,592 domains · 24h to ~3h ago · +3,513 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

usio.co.jp

Observed Aug 2, 2026, 18:55 UTC (17h 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.

Up right now
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesGoogle Search Console
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usio.co.jp actually stands on - every host below is a signed observation
usio.co.jp
A / AAAA
219.94.163.89
unattributedserves the site
NS
ns6-tk02.ocn.ad.jpns6-tk01.ocn.ad.jp
ad.jpanswers its DNS
MX
ASPMX.L.GOOGLE.COMALT3.ASPMX.L.GOOGLE.COMALT1.ASPMX.L.GOOGLE.COMALT2.ASPMX.L.GOOGLE.COM+1 more
Google Workspacereceives its email
TLS
usio.co.jp
Let's Encryptissued its certificate

DNS Records

A 1

  • 219.94.163.89

MX 5

  • 1ASPMX.L.GOOGLE.COM
  • 10ALT3.ASPMX.L.GOOGLE.COM
  • 5ALT1.ASPMX.L.GOOGLE.COM
  • 5ALT2.ASPMX.L.GOOGLE.COM
  • 10ALT4.ASPMX.L.GOOGLE.COM

TXT 2

  • google-site-verification=_kn8bOiIjuA7vdaEuanESZy1v65w0lGyGG7tvXyjMcQ
  • v=spf1 include:_spf.google.com include:spf-bma.mpme.jp ~all

NS 2

  • ns6-tk02.ocn.ad.jp
  • ns6-tk01.ocn.ad.jp

SOA 1

  • ns6-tk01.ocn.ad.jp root.ocn.ad.jp

DMARC_RECORDS 1

  • v=DMARC1; p=none; rua=mailto:rua-mpse@mpub.ne.jp

TLS Certificates (3)

Common NameIssuerExpires
usio.co.jp C=US, O=Let's Encrypt, CN=YR1 Sat, 05 Sep 2026 22:39:35 +0000
YR1 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 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_c5d9652782d023d0
Output Hash
2bfa8bf5e338d1c9784c36bc7a34028c7d40e3e6b7bfee3158745356179e2b2c
Signature
ed25519:00eea5a9da1cf4f0355e303343f3d4104dc38ee27d81394aabbf8f7615a04087f0843728a41633726e7c2fbd6b4e9e741eb34d79136cdf14b2e659ef77b9be04
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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