jcer.or.jp

Observed Aug 16, 2026, 10:40 UTC (6h 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.

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Not responding
Email byMicrosoft 365
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jcer.or.jp actually stands on - every host below is a signed observation
jcer.or.jp
NS
ns-1521.awsdns-62.orgns-1685.awsdns-18.co.ukns-417.awsdns-52.comns-810.awsdns-37.net
awsdns-62.org + awsdns-18.co.uk + moreanswers its DNS
MX
jcer-or-jp.mail.protection.outlook.com
Microsoft 365receives its email

DNS Records

MX 1

  • 0jcer-or-jp.mail.protection.outlook.com

TXT 2

  • MS=ms84501625
  • v=spf1 include:spf.protection.outlook.com include:spf.ndmc.ne.jp include:webcas.net include:_spf.activegate-ss.jp -all

NS 4

  • ns-1521.awsdns-62.org
  • ns-1685.awsdns-18.co.uk
  • ns-417.awsdns-52.com
  • ns-810.awsdns-37.net

SOA 1

  • ns-1521.awsdns-62.org hostmaster.ndmc.ne.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.

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Ed25519 Receipt

Receipt ID
rcpt_b6bcdf524d2ed98c
Output Hash
fdbc09c0ebd3d1f90d25cc56e4b24383cede04a593e2b75ea508603d34b54f97
Signature
ed25519:e8989e76ee9aa48cdc2b2296aa8e30182b3f826a98885d10fedd904fb7731ab7d35b81e2728d0e9fb1fd3045dc0ef6aa79f585913c3c02fb9ae21ca62ac9900a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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