cas.go.jp

Observed Jul 21, 2026, 19:45 UTC (2d 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

push_legacy

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

INFRASTRUCTURE MAPwhat cas.go.jp actually stands on - every host below is a signed observation

cas.go.jp

ns-186.awsdns-23.comns-1015.awsdns-62.netns-1193.awsdns-21.orgns-1841.awsdns-38.co.uk

awsdns-23.com + awsdns-62.net + moreanswers its DNS

cas-go-jp.mail.protection.outlook.com

Microsoft 365receives its email

DNS Records

MX 1

0cas-go-jp.mail.protection.outlook.com

TXT 4

MS=ms66331032
MS=F656C5C7043664BB3B1C3E37F0C63D6529B43877
v=spf1 include:spf.securemx.jp. ip4:163.43.136.144 ip4:153.125.144.143 include:spf.protection.outlook.com -all
v=DMARC1; p=none; pct=100; rua=mailto:rua-report@cas.go.jp; ruf=mailto:ruf-report@cas.go.jp

NS 4

ns-186.awsdns-23.com
ns-1015.awsdns-62.net
ns-1193.awsdns-21.org
ns-1841.awsdns-38.co.uk

SOA 1

ns-1015.awsdns-62.net awsdns-hostmaster.amazon.com

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

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

Ed25519 Receipt

Receipt ID: rcpt_9715148e27b9a596
Output Hash: 75192ed1f3de266a94462943db44f22fd81ae474748bde40edec1386cac64393
Signature: ed25519:067500b0cb02b43c8de9ae8eaa4735a4d68fdb9e471dbd34bdaf43175af8c0da93296604a2b9246d36c54535ab5fede0f920d2b11ffab5d43a38d8a85bf3170e
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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