arcj.org

Observed Jul 27, 2026, 18:23 UTC (4d 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

1 subdomain · majestic

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

INFRASTRUCTURE MAPwhat arcj.org actually stands on - every host below is a signed observation

arcj.org

A / AAAA

85.131.209.88

unattributedserves the site

ns5.xserver.jpns3.xserver.jpns4.xserver.jpns1.xserver.jp+1 more

xserver.jpanswers its DNS

ALT4.ASPMX.L.GOOGLE.COMASPMX.L.GOOGLE.COMALT2.ASPMX.L.GOOGLE.COMALT3.ASPMX.L.GOOGLE.COM+1 more

Google Workspacereceives its email

TLS

www.arcj.org

Let's Encryptissued its certificate

DNS Records

A 1

85.131.209.88

MX 5

10ALT4.ASPMX.L.GOOGLE.COM
1ASPMX.L.GOOGLE.COM
5ALT2.ASPMX.L.GOOGLE.COM
10ALT3.ASPMX.L.GOOGLE.COM
5ALT1.ASPMX.L.GOOGLE.COM

TXT 1

v=spf1 +a:sv16547.xserver.jp +a:arcj.org +mx include:spf.sender.xserver.jp ~all

NS 5

ns5.xserver.jp
ns3.xserver.jp
ns4.xserver.jp
ns1.xserver.jp
ns2.xserver.jp

SOA 1

ns1.xserver.jp root.xserver.jp

TLS Certificates (3)

Common Name	Issuer	Expires
`www.arcj.org`	C=US, O=Let's Encrypt, CN=YR1	Wed, 23 Sep 2026 04:14:37 +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.arcj.org

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 arcj.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_2b9476afe8b62322
Output Hash: c62615d2e3f617441e8f1fd03edd7e0ad4d9866e83225a36012449240918505b
Signature: ed25519:31c7598cc1f9d597dff062df1d76801c3b85f351bf9154402c98bfba638dd6b0cb9cbf5c7d650a54b388f5f4e7564e99d1c7ccb1fdf9075ed18bbddcc6a49d05
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/arcj.org