riken.co.jp

Observed Jul 28, 2026, 10:17 UTC (1d 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

majestic

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

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

riken.co.jp

ns013-bor8fijfrnc3fuu4.b.d-53.jpns013-bor8fijfrnc3fuu4.b.d-53.netns013-bor8fijfrnc3fuu4.b.d-53.info

d-53.jp + d-53.net + moreanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+1 more

Google Workspacereceives its email

DNS Records

MX 5

10aspmx.l.google.com
20alt1.aspmx.l.google.com
20alt2.aspmx.l.google.com
30aspmx2.googlemail.com
30aspmx3.googlemail.com

TXT 6

MS=ms94383503
apple-domain-verification=sLr1SAnVluQ3zd3z
MS=FD3C561023CE7DC5588E5CBA05DF60BD8BC229A9
google-site-verification=d3Do3y6bfggwgdKlHdr9pgMyOCgrcjW0EFSMjBrZPNA
v=spf1 ip4:202.32.71.166 include:_spf.google.com include:spf.mta.hdems.com ip4:54.65.204.88 ip4:54.64.154.135 ip4:122.28.43.123 -all
v=DMARC1; p=quarantine; rua=mailto:sysadmin-ml@riken.co.jp; ruf=mailto:sysadmin-ml@riken.co.jp

NS 3

ns013-bor8fijfrnc3fuu4.b.d-53.jp
ns013-bor8fijfrnc3fuu4.b.d-53.net
ns013-bor8fijfrnc3fuu4.b.d-53.info

SOA 1

ns000.d-53.net dns-managers.iij.ad.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 riken.co.jp. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_644328a0a03b40f2
Output Hash: 856d5ed5eb0bb287eb5fa0eab6315749ffb81c1744475fa859d5ed29cc8b6d40
Signature: ed25519:b11f0059e11adf45446e3779d6641c5959d0c7c49ec787c4d0054488f4bfc6704a1b51f5e6630bf84f2477a553390abb836e369852d6f71bde6239482288b508
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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