rintetsu.co.jp

Observed Jul 26, 2026, 06:16 UTC (7d 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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Up right now

Secured byLet's Encrypt

IPv6 · 1 subdomain · majestic

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat rintetsu.co.jp actually stands on - every host below is a signed observation

rintetsu.co.jp

A / AAAA

163.43.102.812001:e42:107:201f:163:43:102:81

2001serves the site

ns1.dns.ne.jpns2.dns.ne.jp

ne.jpanswers its DNS

rintetsu.co.jp

rintetsu.co.jpreceives its email

TLS

rintetsu.co.jp

Let's Encryptissued its certificate

DNS Records

A 1

163.43.102.81

AAAA 1

2001:e42:107:201f:163:43:102:81

MX 1

10rintetsu.co.jp

TXT 2

v=spf1 a:www3871.sakura.ne.jp mx ~all
v=DMARC1; p=none; aspf=r; adkim=r

NS 2

ns1.dns.ne.jp
ns2.dns.ne.jp

SOA 1

master.dns.ne.jp tech.sakura.ad.jp

TLS Certificates (3)

Common Name	Issuer	Expires
`rintetsu.co.jp`	C=US, O=Let's Encrypt, CN=YR2	Wed, 16 Sep 2026 20:09:25 +0000
`YR2`	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 (1)

www.rintetsu.co.jp

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; nothing leaves your machine.

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Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for rintetsu.co.jp. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/rintetsu.co.jp">
  <img src="https://domaindrift.io/badge/rintetsu.co.jp.svg"
       width="300" height="64" alt="DomainDrift signed observations for rintetsu.co.jp">
</a>

Ed25519 Receipt

Receipt ID: rcpt_d3748acfe1689d91
Output Hash: 45eefb8e3eea356b5e6a7b8b4eb08afde2f8d1c69698436b032ac39fdff5a6e7
Signature: ed25519:2d84588d72e1bb65c881a4f9aac18395a57856e2b0ca7c7c30636584d684caf227556407e9b705cabc96af87bab0032612ea393eb358b97500521808b77cd10f
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/rintetsu.co.jp