codedex.io

.io crawl

First seen 2026-04-11 · Last seen 2026-04-29 · ok HTTP/1.1 200 4144 ms crawled 2026-05-19

US · 216.150.1.129 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Codédex | Start Your Coding Adventure ⋆˙⟡
Description
Codédex is a new way to learn to code for kids and adults alike. Journey through the fantasy land of Python, HTML, CSS, or JavaScript, earn experience points (XP) to unlock new regions, and collect all the badges at your own pace. Start your adventure today.
Language
en
Canonical
https://www.codedex.io/

Open Graph

url
https://www.codedex.io/
title
Codédex | Start Your Coding Adventure ⋆˙⟡
site name
Codédex
description
Codédex is a new way to learn to code for kids and adults alike. Journey through the fantasy land of Python, HTML, CSS, or JavaScript, earn experience points (XP) to unlock new regions, and collect all the badges at your own pace. Start your adventure today.

Technology

CDN
Vercel
CMS
Next.js
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.gstatic.com×1
  • www.facebook.com×1

DNS records live

NS
  • ns1.vercel-dns.com
  • ns2.vercel-dns.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • mandrill_verify.5rEPtVNFVEOqk1fGrz3h7g
  • firebase=codedex-io
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:_spf.firebasemail.com include:spf.mandrillapp.com include:servers.mcsv.net include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; pct=50
policy: quarantine · pct=50
DKIM
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R13
from 2026-04-20 to 2026-07-19
Expires in 60 days

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.codedex.io/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing Content Security Policy
Header values
referrer-policy
origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
camera=(), microphone=self
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains; preload

Linked from (2)