deeplearning.ai

Observed 2026-07-12T10:26:42.878Z (17h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Also usesFacebook/MetaGoogle Search ConsoleHubSpot

7 subdomains · 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

alt4.aspmx.l.google.comaspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 307 → https://www.deeplearning.ai/

HTTP status307

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time53 ms

DNS resolutionNOERROR

Redirect chain

https://www.deeplearning.ai/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

216.150.1.1

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 9

facebook-domain-verification=zdzqhyb3p2z14avzgfwgq75qyrm23q
google-site-verification=B6bDLlOoR7eTBoufolgARUzxd5x_2gY5JSOdWo55Lvk
v=spf1 include:_spf.google.com include:5871640.spf54.hubspotemail.net include:_spf.elasticemail.com include:amazonses.com ~all
google-site-verification=C286Lzm7oqouc_sPZXx3OZpvdPMdDr7X1OCJwjX_aJs
google-site-verification=ferSGj7ddseYkd1vRv0QkWThLfurDWNEFOiujpCzAWQ
google-site-verification=zmYFLbZcFqvc9RPIXbFJl-yEECQ3eSaZBn9BVdMMeqA
google-site-verification=ZCRhH0yEOlB8wkbKuSHeAo0tzMDir4sAZWPFUkSjE_4
google-site-verification=2Y3j_rJDSGuSkx0qGbv-pmlvjE9GNH423YpVK0TwbZM
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 comodoca.com
issue amazonaws.com
issue pki.goog; cansignhttpexchanges=yes
issuewild comodoca.com
issuewild letsencrypt.org
issue digicert.com; cansignhttpexchanges=yes
issue letsencrypt.org
issue ssl.com
issuewild ssl.com
issuewild amazonaws.com

TLS Certificates (0)

None.

Subdomains (7)

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: 4c73f5be-ac9c-463e-ba03-07958902d33b
Output Hash: 0ae39d1262d4cccbd3cc95d77c2f87d4fadb7f945c5e5ce0f94aed7814d04a10
Signature: ed25519:ebb0c7a5e91422f075c0d9f3b4f3ad95034def7da12398ccc43c372ba275c4a43a143614e3d8ccf57a6485c80b76faff2ff80a8c131f34c07e16c52d7eb72809
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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