deeplearning.ai

Observed Jul 22, 2026, 00:55 UTC (6h 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 onCloudflare

Email byGoogle Workspace

Secured byLet's Encrypt

Registered withGoDaddy.com, LLC

Also usesFacebook/MetaGoogle Search ConsoleHubSpot

tranco_40k

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

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

deeplearning.ai

A / AAAA

216.150.1.1

Cloudflareserves the site

dave.ns.cloudflare.comnia.ns.cloudflare.com

cloudflare.comanswers 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

deeplearning.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 9

facebook-domain-verification=zdzqhyb3p2z14avzgfwgq75qyrm23q
google-site-verification=2Y3j_rJDSGuSkx0qGbv-pmlvjE9GNH423YpVK0TwbZM
google-site-verification=B6bDLlOoR7eTBoufolgARUzxd5x_2gY5JSOdWo55Lvk
google-site-verification=C286Lzm7oqouc_sPZXx3OZpvdPMdDr7X1OCJwjX_aJs
google-site-verification=ZCRhH0yEOlB8wkbKuSHeAo0tzMDir4sAZWPFUkSjE_4
google-site-verification=ferSGj7ddseYkd1vRv0QkWThLfurDWNEFOiujpCzAWQ
google-site-verification=zmYFLbZcFqvc9RPIXbFJl-yEECQ3eSaZBn9BVdMMeqA
v=spf1 include:_spf.google.com include:5871640.spf54.hubspotemail.net include:_spf.elasticemail.com include:amazonses.com ~all
v=DMARC1; p=none;

NS 2

dave.ns.cloudflare.com
nia.ns.cloudflare.com

SOA 1

dave.ns.cloudflare.com dns.cloudflare.com

CAA 12

issue "amazonaws.com"
issue "comodoca.com"
issue "digicert.com; cansignhttpexchanges=yes"
issue "letsencrypt.org"
issue "pki.goog; cansignhttpexchanges=yes"
issue "ssl.com"
issuewild "amazonaws.com"
issuewild "comodoca.com"
issuewild "digicert.com; cansignhttpexchanges=yes"
issuewild "letsencrypt.org"

TLS Certificates (3)

Common Name	Issuer	Expires
`deeplearning.ai`	C=US, O=Let's Encrypt, CN=YR2	Sat, 29 Aug 2026 13:21:47 +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 deeplearning.ai. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_d7e7cd619d64465f
Output Hash: a777ddbec7437da1fdbf00d01a180f9da1743229a5260366c772f9997ae8e9d6
Signature: ed25519:0253c48c7e822ce0341fd76b48d98afddee98b9a50f70ac14f817cdf4eb1167f00be9300334481f2e8efaff1e08501c3f609302c45ef0a33a9df90e26d07020c
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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