rsw.co.jp

Observed Jul 25, 2026, 21:27 UTC (6d 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.

Verify this receipt yourself + Watch this domain

Up right now

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesGoogle Search Console

1 subdomain · tranco

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

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

rsw.co.jp

A / AAAA

118.27.75.128

unattributedserves the site

ns-a1.conoha.ions-a2.conoha.ions-a3.conoha.io

conoha.ioanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

rsw.co.jp

Let's Encryptissued its certificate

DNS Records

A 1

118.27.75.128

MX 5

1aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com

TXT 3

google-site-verification=zg3qI8oaDAzv2f0gSXoajiLHbfkwlIHpHJejW_jWdVY
v=spf1 a mx include:_spf.google.com ~all include:v118-27-75-128.h9iy.static.cnode.io ~all
google-site-verification=sirkrSqvrM5fuSgGq_tCYJrO08H9vln0RusFLeWGgKY

NS 3

ns-a1.conoha.io
ns-a2.conoha.io
ns-a3.conoha.io

SOA 1

ns-a1.conoha.io postmaster.example.org

TLS Certificates (3)

Common Name	Issuer	Expires
`rsw.co.jp`	C=US, O=Let's Encrypt, CN=YR1	Sat, 17 Oct 2026 08:28:00 +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 (1)

www.rsw.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.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_3a5c4c32a37c684d
Output Hash: ed0009bedc0b6db270f7182b461bef261c517b22abd4f13c1af091539469a94a
Signature: ed25519:4c2a573ebbe68d21c992167a62e8723dce93fc5653df558ccbcbbfab1298607cf0b6631e4293f8d219499be54689bbb38134a67878f3c43b178b47e854ec9808
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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