usaco.co.jp

Observed Jul 25, 2026, 09:16 UTC (8d 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

Not responding

Email byGoogle Workspace

Also usesGoogle Search Console

tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat usaco.co.jp actually stands on - every host below is a signed observation

usaco.co.jp

ns01.vips.ne.jpns00.vips.ne.jp

ne.jpanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

DNS Records

MX 5

5aspmx.l.google.com
10alt1.aspmx.l.google.com
10alt2.aspmx.l.google.com
15alt3.aspmx.l.google.com
15alt4.aspmx.l.google.com

TXT 5

anthropic-domain-verification-c9ej1y=EC7WbgZ8nY6og4RzMn3ZVz0z5
google-site-verification=42i5B-Vcww5J4GdmK1vMfY6h8bU120rDelBKCWD50vI
v=spf1 include:_spf.google.com include:spf.mta.hdems.com include:spf.haihaimail.jp include:spf.ecbeing.co.jp ip4:20.191.191.161 -all
MS=81833ADA1EBAE4742C8AF0BA77747E5B9E7CE10F
v=DMARC1; p=reject; rua=mailto:dmarc-reports@usaco.co.jp,mailto:bmk5uqzgo5@rua.powerdmarc.com; ruf=mailto:bmk5uqzgo5@ruf.powerdmarc.com; fo=1;

NS 2

ns01.vips.ne.jp
ns00.vips.ne.jp

SOA 1

ns01.vips.ne.jp helpdesk.jens.jp

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 usaco.co.jp. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/usaco.co.jp">
  <img src="https://domaindrift.io/badge/usaco.co.jp.svg"
       width="300" height="64" alt="DomainDrift signed observations for usaco.co.jp">
</a>

Ed25519 Receipt

Receipt ID: rcpt_8e828c94ff250f18
Output Hash: d8bae6937b66b2db0fa21e30eacaf2f1baefcdc53ac0d1a15f6e9bf0e3968bbf
Signature: ed25519:34d02d16ac96d1b2c0f802aaac52f931160727f3ee6a8d9de8378117adacaa5f35e72654a033b88014558cc8989fbc6c39773f31355424b022bc64e80e3a1f06
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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