freecodecamp.org

Observed 2026-07-15T09:03:12.897Z (8h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Registered withNameCheap, Inc.

Also usesGoogle Search Console

IPv6 · 12 subdomains · education

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

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

freecodecamp.org

A / AAAA

172.67.70.149104.26.3.33104.26.2.332606:4700:20::681a:321+2 more

Cloudflareserves the site

cash.ns.cloudflare.comanna.ns.cloudflare.com

cloudflare.comanswers its DNS

alt2.aspmx.l.google.comalt1.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 302 → https://www.freecodecamp.org/

HTTP status302

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time220 ms

DNS resolutionNOERROR

Redirect chain

https://www.freecodecamp.org/

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

DNS Records

A 3

172.67.70.149
104.26.3.33
104.26.2.33

AAAA 3

2606:4700:20::681a:321
2606:4700:20::681a:221
2606:4700:20::ac43:4695

MX 5

5alt2.aspmx.l.google.com
5alt1.aspmx.l.google.com
10alt4.aspmx.l.google.com
1aspmx.l.google.com
10alt3.aspmx.l.google.com

TXT 12

mongodb-site-verification=iLPVBZkbjFGe4pz4YszIe6a2KG7U0Eja
v=spf1 mx include:_spf.google.com include:amazonses.com -all
google-site-verification=d9ZvgQC_Lvg8J-GkpD6kHmBHCsuw8-A8BJXIwqCRL7g
have-i-been-pwned-verification=dweb_tgzo6k7eg8wn7o4fzhc021v1
google-site-verification=jgKWN_Bx9-FlyACDYQkp5UT5VZqlidL0DDKaliqkN84
google-site-verification=zsi_ytS9f3kFX0_IwEDRWjB9d0nb80hZdgCX9Yc-OPo
MS=ms63208939
google-site-verification=TakbUdLjWbZfk3W5EKfzCHCvN0r3O3TvCOsl6Q6-NkY
google-site-verification=b4tITLzEeeZGEpvD4mGNf3khKM4fvqejQaz9SYBQP8E
v=DMARC1; p=quarantine; rua=mailto:18b2ad037d6b43bb81d7564d2618a400@dmarc-reports.cloudflare.net; sp=reject; fo=1:d:s; adkim=s;

NS 2

cash.ns.cloudflare.com
anna.ns.cloudflare.com

SOA 1

anna.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (12)

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

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

Ed25519 Receipt

Receipt ID: dd828c1a-1832-4777-bb57-687523bb60dc
Output Hash: dd605324c48a3f9efa71613c2c1ffa8ac157de671820f50df8c24f89dc1c9c79
Signature: ed25519:a550a1905b0e9b54fa957e4fcc14eb92ff3bdd7ee89cd847c657cb265a562cf936c2bfac44e48093cd7054646de8128d0f4c4b8a6929309eddc1343910578a0a
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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