indexo.dev

f21forum.de

.de crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 2551 ms crawled 2026-06-03

DE · 81.88.34.36 · AS45012 dogado GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
F21 Forum – Freies Unternehmer Netzwerk
Description
Just another WordPress site
Language
de
Generator
WordPress 6.9.4
Canonical
https://f21forum.de/
Translations
  • de
Feeds

Technology

Server
nginx
CMS
WordPress 6.9.4
jQuery
3.7.1
Cookie consent
  • Usercentrics

Third-party hosts loaded (2)

  • app.eu.usercentrics.eu×1
  • sdp.eu.usercentrics.eu×1

Contact

Email
Phone

Registration

Updated
2021-09-16
Name servers
  • cns1.alfahosting.info.
  • cns2.alfahosting.info.
  • cns3.alfahosting.info.

DNS records live

NS
  • cns1.alfahosting.info
  • cns2.alfahosting.info
  • cns3.alfahosting.info
MX
  • 10 mx03.secure-mailgate.com
  • 10 mx04.secure-mailgate.com

Email authentication weak

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

Certificate (current)

R13
from 2026-04-05 to 2026-07-04
Expires in 28 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://f21forum.de/

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

Links to (39)

Linked from (1)