jcho.go.jp
Observed Aug 16, 2026, 12:31 UTC (9h 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.
Not responding
Email byMicrosoft 365
Microsoft 365Also usesAppleGlobalSign
Apple
GlobalSigntranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jcho.go.jp actually stands on - every host below is a signed observation
jcho.go.jp
NS
dns2.jcho.go.jpns-tk011.ocn.ad.jpdns1.jcho.go.jpdns12.jcho.go.jp+1 more
go.jp + ad.jpanswers its DNS
MX
jcho-go-jp.mail.protection.outlook.com
Microsoft 365receives its email
DNS Records
MX 1
10jcho-go-jp.mail.protection.outlook.com
TXT 6
apple-domain-verification=sYyigfSWfO2Bx0fKMS=ms14370522globalsign-domain-verification=xwSFHkrfP5ZhPpmjzB1BDqm7UsNwWRZQm-dW4HhMJ0MS=ms72799308v=spf1 +ip4:153.139.231.35 +ip4:203.180.169.227 include:spf.protection.outlook.com -allOJWjdKpcwALh5ZptBegKuvW23QrVlTLS/ykCHDYYvdc=
NS 5
dns2.jcho.go.jpns-tk011.ocn.ad.jpdns1.jcho.go.jpdns12.jcho.go.jpdns11.jcho.go.jp
SOA 1
dns1.jcho.go.jp postmaster.jcho.go.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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_e137a2ce6a025915- Output Hash
c0e5a6fdaaf278ccb81852cc504f3bcec403e57e6aff3c66be9a8ee41c25183e- Signature
ed25519:3a467bb2918cc94fec260c4a15f753b408bcb5bd5afb4dbba9ff1c28f59fef0241e0380a98d5e90fb90b6adacbcb440b44dc8172dc2f4dc2d53e3da1c6706700- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast