khanacademy.org

Observed Jul 18, 2026, 12:01 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onAmazon

Email byGoogle Workspace

Secured byAmazon

Also usesZoomFacebook/MetaGoogle Search Console

2 subdomains · education

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

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

khanacademy.org

A / AAAA

3.167.88.543.167.88.273.167.88.133.167.88.86

Amazonserves the site

ns-125.awsdns-15.comns-1489.awsdns-58.orgns-1664.awsdns-16.co.ukns-798.awsdns-35.net

awsdns-15.com + awsdns-58.org + moreanswers its DNS

aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

khanacademy.org

Amazonissued its certificate

DNS Records

A 4

3.167.88.54
3.167.88.27
3.167.88.13
3.167.88.86

MX 5

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

TXT 27

MS=ms10049948
ZOOM_verify_G7FwqtyEKLkoQGhA3ifQq5
_globalsign-domain-verification=Ca9ol7KyPTrPtyGjL1BqGx_wv6SymozDmCXhHJveUr
_globalsign-domain-verification=Prrz12gznJzJiHaajX3CnPfpqK6hhLae0miMSZ_BGa
_globalsign-domain-verification=e70UZqvudGByIeilV8oO0gubBZi0P7QLakTxKub-zS
anthropic-domain-verification-4va7p1=Uuz4j8MkpGFjBjYBqvNGNuK46
apple-domain-verification=FBF7Yx9o3htFHZ7m
botify-site-verification=sGRcFNKzIkHzx1jtsQ7YkiT8hgWB6RiU
canva-site-verification=JW5MeXNqA7ezvjIRgLOPaQ
cl_verification=a568671a-6112-4bc5-997d-1f06d8389b2e

NS 4

ns-125.awsdns-15.com
ns-1489.awsdns-58.org
ns-1664.awsdns-16.co.uk
ns-798.awsdns-35.net

SOA 1

ns-1664.awsdns-16.co.uk awsdns-hostmaster.amazon.com

CAA 8

iodef "mailto:it@khanacademy.org"
issue "amazon.com"
issue "certainly.com"
issue "digicert.com"
issue "globalsign.com"
issue "godaddy.com"
issue "letsencrypt.org"
issue "pki.goog"

TLS Certificates (3)

Common Name	Issuer	Expires
`khanacademy.org`	C=US, O=Amazon, CN=Amazon RSA 2048 M01	Thu, 10 Dec 2026 23:59:59 +0000
`Amazon RSA 2048 M01`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:21:28 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +0000

Subdomains (2)

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

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

Ed25519 Receipt

Receipt ID: 60acd971-554a-4d43-b007-b02517f0dcf9
Output Hash: 2b1a230a290db403694ebcca71e417f7302525666e846a0280457007200a3a62
Signature: ed25519:a601b1a51bdd12dc54b19cb4e105bd1fca3a638263a8d785cb572a95b8ae89c286960b795197c6586c77db11ab6fc98f1d81624fbf248273ba04325fc5eba507
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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