rku.ac.jp

Observed Jul 27, 2026, 22:22 UTC (4d 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 rku.ac.jp actually stands on - every host below is a signed observation

rku.ac.jp

nsc2.rku.ac.jpdns-x.sinet.ad.jpnst.rku.ac.jp

ac.jp + ad.jpanswers its DNS

ASPMX3.GOOGLEMAIL.COMASPMX2.GOOGLEMAIL.COMASPMX.L.GOOGLE.COMALT1.ASPMX.L.GOOGLE.COM+1 more

Google Workspacereceives its email

DNS Records

MX 5

10ASPMX3.GOOGLEMAIL.COM
10ASPMX2.GOOGLEMAIL.COM
1ASPMX.L.GOOGLE.COM
5ALT1.ASPMX.L.GOOGLE.COM
5ALT2.ASPMX.L.GOOGLE.COM

TXT 5

cisco-ci-domain-verification=778ea3779354bce91f279843df377c461b177cd504b63cbf6dcc2bcb89dadcaf
google-site-verification=eThh_i1oolHtqTNu2PAQ-DID3DnfIrQfWBTa4ko33j4
adobe-idp-site-verification=10b9c292871526dfe22f00e522ec464b9180a910202378efa6c3e2baf958b88e
v=spf1 ip4:202.241.98.128/25 include:_spf.google.com include:spf.mta.hdems.com ~all
MS=ms37389062

NS 3

nsc2.rku.ac.jp
dns-x.sinet.ad.jp
nst.rku.ac.jp

SOA 1

nst.rku.ac.jp root.rku.ac.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 rku.ac.jp. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_0d3e0f81cf44e6c9
Output Hash: 30cd6e8b6cf8dca28407dfbccedef5cf04410c27f5522af586d53c1f65fadabc
Signature: ed25519:5b54444ff222f690fa4dccba3267826fcb91f625a846fcb453b8ab2f2507e58759e4eeacd70b831294235a6cfafa6c1d0ffe2450396d15e714e2b17eb3752b04
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/rku.ac.jp