arcadia.co.jp

Observed Jul 26, 2026, 11:57 UTC (1d 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

Secured byLet's Encrypt

Also usesGoogle Search Console

domcop

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

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

arcadia.co.jp

A / AAAA

121.83.217.11

unattributedserves the site

ns2.eonet.ne.jphdns01.arcadia.co.jpdns01.arcadia.co.jp

ne.jp + arcadia.co.jpanswers its DNS

a.mx.arcadia.co.jp

arcadia.co.jpreceives its email

TLS

arcadia.co.jp

Let's Encryptissued its certificate

DNS Records

A 1

121.83.217.11

MX 1

10a.mx.arcadia.co.jp

TXT 5

google-site-verification=tVUxBIqMsocc5YdTYoCPeIfVvpcC5vyJ9NrKsA0dFR4
v=spf1 include:spf.ktaiwork.jp +ip4:58.191.155.32/29 -all
SyzVDpwYyXUJB97mc36lWkONj1jkvW
MS=6EA0ACD34604AD2D60D47B9402B6AC0017018B61
v=DMARC1; p=quarantine; rua=mailto:dmarc@arcadia.co.jp; ruf=mailto:dmarc@arcadia.co.jp

NS 3

ns2.eonet.ne.jp
hdns01.arcadia.co.jp
dns01.arcadia.co.jp

SOA 1

arcadia.co.jp root.arcadia.co.jp

TLS Certificates (3)

Common Name	Issuer	Expires
`arcadia.co.jp`	C=US, O=Let's Encrypt, CN=YR2	Tue, 06 Oct 2026 18:19:32 +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 (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; nothing leaves your machine.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_d3b47707713c9f36
Output Hash: ef7de62acb2af2265d25d863e5a171993e81de80fdc352713a36db51cf927c22
Signature: ed25519:81ef49d91ac5c17186d50766c02835f510528f9c1e9797436db33b91dd916f6afe9d6cdc71aeabe2a8be0062c07e7b15ee9c5feba393997cff9a4c36da17810a
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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