indexo.dev

birsens.de

.de crawl

First seen 2026-04-17 · Last seen 2026-05-08 · ok HTTP/1.1 200 1336 ms crawled 2026-05-12

DK · 46.30.213.99 · AS51468 One.com A/S

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Bildung und Kompetenz
Description
Paul M. Birsens Freiberuflicher Dozent für Arbeits- und Betriebspädagogik. Berufliche Bildung in Werkstätten für Menschen mit Behinderung. Qualifizierung von Fachpersonal und Mitarbeitern.

Technology

Server
Apache

Contact

Email

Registration

Updated
2022-01-11
Name servers
  • ns01.one.com.
  • ns02.one.com.

DNS records live

NS
  • ns01.one.com
  • ns02.one.com
MX
  • 10 mx1.mailpod15-cph3.g1i.one.com
  • 10 mx2.mailpod15-cph3.g1i.one.com
  • 10 mx3.mailpod15-cph3.g1i.one.com
  • 10 mx4.mailpod15-cph3.g1i.one.com

Email authentication weak

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

Certificate (current)

E8
from 2026-04-24 to 2026-07-23
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (2)

Linked from (1)