c3.ai

Observed Jul 24, 2026, 01:47 UTC (7h 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

Runs onAmazon

Email byMicrosoft 365

Secured byLet's Encrypt

Registered toPrivate Registrant

Registered with101domain GRS Limited

Also usesAtlassianDockerDocuSignGoogle Search Console

tranco_100k

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

INFRASTRUCTURE MAPwhat c3.ai actually stands on - every host below is a signed observation

c3.ai

A / AAAA

76.76.21.21

Amazonserves the site

ns-1038.awsdns-01.orgns-1771.awsdns-29.co.ukns-292.awsdns-36.comns-996.awsdns-60.net

awsdns-01.org + awsdns-29.co.uk + moreanswers its DNS

c3-ai.mail.protection.outlook.com

Microsoft 365receives its email

TLS

c3.ai

Let's Encryptissued its certificate

DNS Records

A 1

76.76.21.21

MX 1

0c3-ai.mail.protection.outlook.com

TXT 11

5bopkaoasn414kku5vrkbp1l3d
MS=ms92682468
anthropic-domain-verification-dcnwt2=e9XqIhEgmtGzuKTP00umXspkQ
apple-domain-verification=a36pBqb2VFNE-j2dIZ7hkWhwiEPMP_CQkTPgHXraG0I
atlassian-domain-verification=ZYIrPsRKUqJ7sCJumUDZ3eFnaBa6MbjPHGpddmfSYEt9FRiMvSFPCDi5ZlR2HUa8
cursor-domain-verification-ze5nf9=lxxQIb2jIjXZeJihDTiiHZk8g
docker-verification=10caef27-78c6-45fd-83c3-04a23952fccd
docusign=9b8002b8-30e7-46bc-9e0a-2c4de99fc7e6
google-site-verification=1xYI4chYcLzWRybMZv3U-9Jkg2AKTr9Sarc_IFjJcjM
v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:mktomail.com include:spf.emailsignatures365.com include:sendgrid.net include:servers.mcsv.net include:email.formspro.microsoft.com include:amazonses.com include:_spf.psm.knowbe4.com -all

NS 4

ns-1038.awsdns-01.org
ns-1771.awsdns-29.co.uk
ns-292.awsdns-36.com
ns-996.awsdns-60.net

SOA 1

ns-292.awsdns-36.com awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`c3.ai`	C=US, O=Let's Encrypt, CN=YR1	Sun, 11 Oct 2026 17:27:13 +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 c3.ai. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/c3.ai">
  <img src="https://domaindrift.io/badge/c3.ai.svg"
       width="300" height="64" alt="DomainDrift signed observations for c3.ai">
</a>

Ed25519 Receipt

Receipt ID: rcpt_9e2a71e30f1615cf
Output Hash: 378af2ffe36541552f140aea8c1fecf3418f61352cafb7265a32ba7ff4f8f307
Signature: ed25519:4f6393c169bac0e27f69689a1e9e6e517e7c44e55affd1f24fe8d5b3813aad413189becd20c2ffe45c438b4b948dd5f16ccdf3dd0e11aa614183e7e30102bb0d
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/c3.ai