indexo.dev

codeplayground.io

.io crawl

First seen 2026-05-22 · Last seen 2026-05-22 · ok HTTP/1.1 200 1156 ms crawled 2026-05-28

US · 104.21.54.156 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Home - CodePlayground
Language
en

Technology

CDN
Cloudflare
jQuery
2.1.4 known XSS (<3.5)
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • www.google.com×1

Social

Contact

Phone

DNS records live

NS
  • ed.ns.cloudflare.com
  • zara.ns.cloudflare.com
MX
  • 0 codeplayground-io.mail.protection.outlook.com
TXT
  • include:spf-uk.emailsignatures365.com

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
  • s1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDHX1JtUCDrh62x3q62g5vyUGvfecPLlKZ6RYh/YkSMjh3ec6Raiad20l5hycKDId9jtnTso8duJsTnSmQMQJ5tpCbhM/H…
selectors probed

Certificate (current)

E8
from 2026-05-19 to 2026-08-17
Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://codeplayground.io/

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (4)

Linked from (1)