indexo.dev

mentor-osnabrueck.de

.de crawl

First seen 2026-05-16 · Last seen 2026-05-20 · ok HTTP/1.1 200 3727 ms crawled 2026-05-20

DE · 81.88.34.246 · AS45012 dogado GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Mentor Osnabrück – Die Leselernhelfer für Osnabrück und Umgebung
Language
de
Generator
WordPress 6.9.4
Canonical
https://mentor-osnabrueck.de/
Feeds

Technology

Server
nginx
CMS
WordPress 6.9.4
jQuery
3.7.1

Third-party hosts loaded (1)

  • gmpg.org×1

Contact

Phone

Registration

Updated
2015-09-03
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)

R12
from 2026-03-14 to 2026-06-12
Expires in 22 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://mentor-osnabrueck.de/

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

Linked from (2)