indexo.dev

referee-education.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 1341 ms crawled 2026-05-07

DE · 91.204.46.88 · AS197540 netcup GmbH

Reputation 87/100 weak security headers no dmarc policy

sector education type homepage

HTML metadata

Title
#RefEd
Language
de
Generator
WordPress 5.5.18
Canonical
https://www.referee-education.de/
Feeds

Technology

Server
nginx
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×1
  • gmpg.org×1
  • s.w.org×1

Social

Contact

Email

Registration

Updated
2020-07-22
Name servers
  • root-dns.netcup.net.
  • second-dns.netcup.net.
  • third-dns.netcup.net.

DNS records live

NS
  • root-dns.netcup.net
  • second-dns.netcup.net
  • third-dns.netcup.net
MX
  • 10 mail.referee-education.de
  • 50 mx2e5a.netcup.net

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-29 to 2026-07-28
Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.referee-education.de/

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

Links to (5)

Linked from (1)