japrs.or.jp

Observed Aug 16, 2026, 14:05 UTC (5h 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.

Up right now
Secured byLet's Encrypt
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat japrs.or.jp actually stands on - every host below is a signed observation
japrs.or.jp
A / AAAA
153.120.153.184
unattributedserves the site
NS
dns01.muumuu-domain.comdns02.muumuu-domain.com
muumuu-domain.comanswers its DNS
MX
japrs.or.jp
or.jpreceives its email
TLS
japrs.or.jp
Let's Encryptissued its certificate

DNS Records

A 1

  • 153.120.153.184

MX 1

  • 10japrs.or.jp

TXT 1

  • v=spf1 +ip4: 153.120.153.184/32 +ip4: 153.120.153.56/32 -all

NS 2

  • dns01.muumuu-domain.com
  • dns02.muumuu-domain.com

SOA 1

  • japrs.or.jp postmaster.japrs.or.jp

TLS Certificates (3)

Common NameIssuerExpires
japrs.or.jp C=US, O=Let's Encrypt, CN=YR1 Wed, 30 Sep 2026 01:47:49 +0000
YR1 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

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 receipt

Ed25519 Receipt

Receipt ID
rcpt_81328794450db91c
Output Hash
b93fa004ac5dc3243c86e8cd465954ce659ebdc9b04010e7352112c96573a5b4
Signature
ed25519:2825a72462521031dc401d42b019407bf6a25aa908358ef1b45bc15e779bd31a65bbf38d81ef7cabd52ab7f31e891ccbe37139549c310b943c079093c7504b07
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT39,710 material changesacross 37,679 domains · 24h to ~55m ago · -1,849 vs yesterdayROTATION67 domains moved DNS from magpiedns.com to koaladns.com, 64 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW589 curated domains not reachable+94 vs yesterdaySITE ERRORS36,075 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,370 sites429 rate-limit / 403 bot-block, a posture signal