indexo.dev

c4ed.org

.org crawl

First seen 2026-05-30 · Last seen 2026-05-30 · ok HTTP/1.1 200 303 ms crawled 2026-05-31

FR · 158.220.98.221 · AS51167 Contabo GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
C4ED

Technology

Server
nginx
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • cdn.jsdelivr.net×3
  • fonts.googleapis.com×2
  • fonts.gstatic.com×1

Registration

Registrar
Cronon GmbH
Created
2015-11-04
Expires
2026-11-04 155 days left
Updated
2025-12-19
Name servers
  • docks09.rzone.de
  • shades16.rzone.de

DNS records live

NS
  • docks09.rzone.de
  • shades16.rzone.de
MX
  • 20 c4ed-org.mail.protection.outlook.com
Verified for
  • Google
  • Microsoft 365
  • Zoho

Email authentication strong

SPF
v=spf1 include:spf.mailjet.com ip4:37.24.212.10 ip4:37.24.212.9 ip4:37.24.212.8 ip4:37.24.212.11 ip4:37.24.187.246 ip4:192.168.1.4 ip4:192.168.1.11 ip4:80.187.127.11 include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw5CtSuy6Fu0ygzFnc+vJPByf2s9ixt3CwSqMe7z84UhhSpShcY1bpdbJyVBtm5ndDZKAYpUBUzwdWTlMYt…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtZAtNEkrUmcQ2jDh3AoVMKt+HewaBNWzqWNr0s3l+sx0dmJnRdhaBrdvzlMZ3kw8jJz8Dm6P+lxFitrO3v…
selectors probed

Certificate (current)

E8
from 2026-05-15 to 2026-08-13
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://c4ed.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)