code.org

Observed 2026-07-15T05:14:24.445Z (4h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Registered withAmazon Registrar, Inc.

Also usesGoogle Search ConsoleHubSpotAtlassian1PasswordFacebook/Meta

9 subdomains · tranco_5k

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

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

code.org

A / AAAA

108.139.10.24108.139.10.35108.139.10.117108.139.10.33

Cloudflareserves the site

ns-1652.awsdns-14.co.ukns-1497.awsdns-59.orgns-678.awsdns-20.netns-269.awsdns-33.com

awsdns-14.co.uk + awsdns-59.org + moreanswers its DNS

alt1.aspmx.l.google.comaspmx3.googlemail.comaspmx.l.google.comaspmx2.googlemail.com+1 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 307 → /en-US

HTTP status307

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time38 ms

DNS resolutionNOERROR

Redirect chain

/en-US

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

DNS Records

A 4

108.139.10.24
108.139.10.35
108.139.10.117
108.139.10.33

MX 5

5alt1.aspmx.l.google.com
10aspmx3.googlemail.com
1aspmx.l.google.com
10aspmx2.googlemail.com
5alt2.aspmx.l.google.com

TXT 18

bugcrowd-verification=4e328e2cf7e9d86a17f10faeceeedd3e
google-site-verification=MEP5IUpWIF4sLlOnOyFoy8IB9KA-aZmKBukf30eO4-Y
v=spf1 include:amazonses.com include:_spf.google.com include:mail.zendesk.com include:aspmx.pardot.com include:44976903.spf05.hubspotemail.net include:spf.mailjet.com include:_spf.mlsend.com ~all
t9dtxv28tq4n7tbn7355t26r62jtyh19
atlassian-domain-verification=OTixRADMse89Mpeybwy2m81PhC7hgIimN7beU8xwqsKK6TjWxiWV9uoRr8fhh/SH
d1l2ndf1rv58my.cloudfront.net
sending_domain1121843=909326644e56ca9f0d77cbc24cd152887da893af83565426791cae05db1e0628
google-site-verification=rlD0fAw4zex4U4XrrJn3Zf--QddLebZcb5seIznZ1_4
MS=ms84680364
google-site-verification=-E_rSfU2SJ037l6KuAS1LMH7BQ7Lw-Feb1I7JZvVpqI

NS 4

ns-1652.awsdns-14.co.uk
ns-1497.awsdns-59.org
ns-678.awsdns-20.net
ns-269.awsdns-33.com

SOA 1

ns-678.awsdns-20.net awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (9)

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

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

Ed25519 Receipt

Receipt ID: 406aa6fd-ae38-4ab1-9af0-c4c24107a513
Output Hash: 4dd33dd1ebb02dd204a32c64c6228e5bc7a721f27904594c68282353acf51c57
Signature: ed25519:3a1f8b1a17d1d6e4ec3658e8a7206019ff3128d4de543bb3cc0ec528995e11aa2d6023d48f0677fd1710918a08e66af0670ab50afdc961515bf2656b9d98d601
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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