mankan.or.jp

Observed Aug 17, 2026, 05:17 UTC (1h 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 byDigiCert
Also usesGoogle Search Console
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for mankan.or.jp in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.

INFRASTRUCTURE MAPwhat mankan.or.jp actually stands on - every host below is a signed observation
mankan.or.jp
A / AAAA
153.153.143.227
unattributedserves the site
NS
dns01.mankan.or.jpdns03.mankan.or.jpdns04.mankan.or.jpdns02.mankan.or.jp
or.jpanswers its DNS
MX
mx.mankan.or.jp
or.jpreceives its email
TLS
www.mankan.or.jp
DigiCert Incissued its certificate

DNS Records

A 1

  • 153.153.143.227

MX 1

  • 10mx.mankan.or.jp

TXT 3

  • v=spf1 ip4:119.245.142.16 +ip4:119.245.142.16/32 +ip4:119.245.142.2/32 include:spf.bmv.jp include:fmx.etius.jp ~all
  • google-site-verification=r3Ts84_mo-3AIbgygPMEofOz5J28dEvCCj_vMCe5pfI
  • _tukatotkha80v3uh2ih0kj4bceckwni

NS 4

  • dns01.mankan.or.jp
  • dns03.mankan.or.jp
  • dns04.mankan.or.jp
  • dns02.mankan.or.jp

SOA 1

  • cmcsv3 hostmaster

DMARC_RECORDS 1

  • v=DMARC1; p=none

TLS Certificates (2)

Common NameIssuerExpires
www.mankan.or.jp C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=GeoTrust TLS RSA CA G1 Fri, 02 Oct 2026 23:59:59 +0000
GeoTrust TLS RSA CA G1 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Tue, 02 Nov 2027 12:23:37 +0000

Subdomains (1)

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_b561561817a94990
Output Hash
e98bcf65f29bdf86931338e1cfe90d6b61bbee9debbc2652c3e412fb744d1c0e
Signature
ed25519:f9c3855a0d42af470e8d7f346bf739b891914ee4c81cb86dda792db36d9404288b02eb0efefe3894ca1b50b3dbf88fcb17ddecb5adf5f7ae899c18911d681207
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT42,939 material changesacross 40,776 domains · 24h to ~40m ago · +3,699 vs yesterdayROTATION62 domains moved DNS from koaladns.com to magpiedns.com, 56 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email providertop destination alltheemails.comNOW552 curated domains not reachable-39 vs yesterdaySITE ERRORS34,525 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,607 sites429 rate-limit / 403 bot-block, a posture signal