arthur.ai

Observed Jul 25, 2026, 23:07 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 usesAtlassianGoogle Search Console

majestic

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

INFRASTRUCTURE MAPwhat arthur.ai actually stands on - every host below is a signed observation

arthur.ai

A / AAAA

216.150.1.1

unattributedserves the site

ns-1177.awsdns-19.orgns-2045.awsdns-63.co.ukns-240.awsdns-30.comns-673.awsdns-20.net

awsdns-19.org + awsdns-63.co.uk + moreanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

arthur.ai

Let's Encryptissued its certificate

DNS Records

A 1

216.150.1.1

MX 5

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

TXT 6

MS=BC1A84F6C0336127E9DF76F096C72FFDB4AABDE2
atlassian-domain-verification=aluMJun2gxZ/WwIkXBHUWRTh/6FrbBJrhVTC5slWanRiINW56nwMFOiLEML2F5g3
cdn.webflow.com
google-site-verification=hTy3ZQ3JxFTO-HAEC_8MNTN0I0ukWCnrnEVVnle-DQY
v=spf1 include:_spf.google.com include:amazonses.com include:amazonaws.com ~all
v=DMARC1; p=none; rua=mailto:security-dmarc@arthur.ai; pct=100

NS 4

ns-1177.awsdns-19.org
ns-2045.awsdns-63.co.uk
ns-240.awsdns-30.com
ns-673.awsdns-20.net

SOA 1

ns-1177.awsdns-19.org awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`arthur.ai`	C=US, O=Let's Encrypt, CN=YR1	Thu, 15 Oct 2026 19:50:45 +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 (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 arthur.ai. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_35f4c360c2dd1451
Output Hash: 41f2b650eda3d7852898d8236101a4f265adf134fc928aefc06d382a74fa4e0f
Signature: ed25519:a6e816b6e2f4f1caa4c5e30b29d94098b2dc2facc8b848fff4617e3316c4e2a04583c9738d863d5e28ceda22b2525b4ce83e2431f46c9c84aa196e5712ac2703
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/arthur.ai