codecademy.com
Observed 2026-07-13T00:04:22.642419624+00:00 (23h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byMicrosoft 365
Secured byGoogle Trust Services
Also usesAtlassianFacebook/MetaFigmaGoogle Search Console
IPv6 · 1 subdomain · education
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat codecademy.com actually stands on - every host below is a signed observation
codecademy.com
A / AAAA
104.17.184.120104.17.183.1202606:4700::6811:b7782606:4700::6811:b878
Cloudflareserves the site
NS
arnold.ns.cloudflare.comserena.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
codecademy-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
codecademy.com
Google Trust Servicesissued its certificate
DNS Records
A 2
104.17.184.120104.17.183.120
AAAA 2
2606:4700::6811:b7782606:4700::6811:b878
MX 1
5codecademy-com.mail.protection.outlook.com
TXT 22
MS=79764F463C8CD2E367B5BF7B1DF1B1C9FFE48501MS=ms80117904Mosyle-verification-1750951629apple-domain-verification=6j9Dh5BuEBtMWMMgatlassian-domain-verification=m7Ac1Hv/T4ePJa3hgcqMgYHykrG65YAE+oy9aqlN+aDA0khgC0tZSgx/8G/3x/yvfacebook-domain-verification=mm5a3aemk4cv9yfjikcr4de2xn0aitfigma-domain-verification=8c0a9ebe2f3a594d9d85faed8994ef2b073a992b28ea6a3e9fa3dc5582e18c25-1733342680google-gws-recovery-domain-verification=57013633google-site-verification=0pRbsGszBlAjZisxsJ2qJLXoXIKCdDlCSK_67hy5BjYgoogle-site-verification=1pIE7oxQFgbaSths1CckFlGEYBHxpp5pD9F_ZUCcSVA
NS 2
arnold.ns.cloudflare.comserena.ns.cloudflare.com
SOA 1
arnold.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
codecademy.com |
C=US, O=Google Trust Services, CN=WE1 | Wed, 07 Oct 2026 04:42:55 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +0000 |
Subdomains (1)
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 receiptEd25519 Receipt
- Receipt ID
ed46649e-c686-4bc7-9a8f-feec346260b6- Output Hash
73067ad476fb57104a877a2c8fdef928819a8ee0cb90debc73d0c8e5f773095e- Signature
ed25519:23fd45cdeb1c0a17ea90d112e226fef4be62689ba31a15cd7b8a17cec6700f80ea3c0e3b74ba8ef3a161fe36a3e1d3b7e3d7f1254cbbe2156c8092c90a76fb03- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast