jotetsu.co.jp

Observed Aug 16, 2026, 10:03 UTC (14h 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 byJapan Registry Services Co.
Also usesGoogle Search ConsoleMicrosoft 365
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for jotetsu.co.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 jotetsu.co.jp actually stands on - every host below is a signed observation
jotetsu.co.jp
A / AAAA
122.17.146.139
unattributedserves the site
NS
mwns1.customer.ne.jpmwns2.customer.ne.jp
ne.jpanswers its DNS
MX
mwpremgw2.ocn.ad.jpmwpremgw1.ocn.ad.jp
ad.jpreceives its email
TLS
www.jotetsu.co.jp
Japan Registry Services Co.issued its certificate

DNS Records

A 1

  • 122.17.146.139

MX 2

  • 10mwpremgw2.ocn.ad.jp
  • 10mwpremgw1.ocn.ad.jp

TXT 3

  • v=spf1 +a include:_spf.mwprem.net +ip4:210.235.189.36/32 +ip4:133.144.79.40/32 include:spf.kasika.jp include:spf.protection.outlook.com include:spf.spcloud.jp ~all
  • google-site-verification=n-WC2t6tZUjGR6i_3ldnkvauIQq4yHdYO7y5bFpUH7g
  • MS=ms62789879

NS 2

  • mwns1.customer.ne.jp
  • mwns2.customer.ne.jp

SOA 1

  • mwns1.customer.ne.jp host-plan-ac.ntt.com

DMARC_RECORDS 1

  • v=DMARC1; p=none

TLS Certificates (2)

Common NameIssuerExpires
www.jotetsu.co.jp C=JP, O=Japan Registry Services Co., Ltd., CN=JPRS Organization Validation Authority - G4 Sun, 28 Feb 2027 14:59:59 +0000
JPRS Organization Validation Authority - G4 C=JP, O=SECOM Trust Systems CO.,LTD., 2.5.4.11=Security Communication RootCA2 Tue, 29 May 2029 05:00:39 +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_ab08d9eb4a190b63
Output Hash
ee0b51fc894d8302ee2d7ee22644f8639f56774d51e68ca953afb42f5c448fd1
Signature
ed25519:60c88c3ee0afe7bf614506dc8c575a3c8d5aff6c42554fa5178e17a0d237b80bd0873e6216d3c9746804574b6283e5fcf602a8f08ff3de549f31d90d82ed230b
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT39,240 material changesacross 37,425 domains · 24h to ~3h ago · -2,319 vs yesterdayROTATION59 domains moved DNS from koaladns.com to magpiedns.com, 58 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW591 curated domains not reachable+96 vs yesterdaySITE ERRORS35,522 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,252 sites429 rate-limit / 403 bot-block, a posture signal