nao.ac.jp

Observed Jul 24, 2026, 03:32 UTC (8h 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 byMicrosoft 365

tranco_40k

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

INFRASTRUCTURE MAPwhat nao.ac.jp actually stands on - every host below is a signed observation

nao.ac.jp

ns.mtk.nao.ac.jpns2.mtk.nao.ac.jpns3.mtk.nao.ac.jp

ac.jpanswers its DNS

nao-ac-jp.mail.protection.outlook.com

Microsoft 365receives its email

DNS Records

MX 1

10nao-ac-jp.mail.protection.outlook.com

TXT 2

v=spf1 ip4:133.40.4.8 a:p.nao.ac.jp ip4:133.40.4.13 a:mta.nao.ac.jp a:mra.nao.ac.jp a:ml.nao.ac.jp a:mx-stitan2.nao.ac.jp a:mta3.nao.ac.jp a:mra3.nao.ac.jp include:spf.protection.outlook.com include:spf.haihaimail.jp -all
v=DMARC1; p=none; pct=100; rua=mailto:dmarc-rua@nao.ac.jp; ruf=mailto:dmarc-ruf@nao.ac.jp; ri=604800; aspf=s; adkim=s; fo=1;

NS 3

ns.mtk.nao.ac.jp
ns2.mtk.nao.ac.jp
ns3.mtk.nao.ac.jp

SOA 1

ns.mtk.nao.ac.jp postmaster.nao.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 nao.ac.jp. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_9e2a0b9c77cf3208
Output Hash: 7acdd20c267730fd23efb4c4339ce015891ca3f057723d72871aaf559c068dff
Signature: ed25519:2ad6c6ec9568fd6a3637b776ad4a6aeb0a9345c377cbf8a29955dbdfa6640ee07440b5d103a8dc4cc71458ec0a71d409d131857368e632bb279fec9c773b9903
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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