indexo.dev

umdenk-trainer.de

.de crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 607 ms crawled 2026-06-03

CH · 81.173.84.12 · AS47692 Nessus GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Umdenk-Akademie - Die Menschenspezialisten®
Language
de

Technology

Server
nginx
jQuery
1.11.1 known XSS (<3.5)
Stack
PHP
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Registration

Updated
2019-09-06
Name servers
  • ns1a.dodns.net.
  • ns2a.dodns.net.

DNS records live

NS
  • ns1a.dodns.net
  • ns2a.dodns.net
MX
  • 10 mail.mxdienst.de

Email authentication weak

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

Certificate (current)

R13
from 2026-04-17 to 2026-07-16
Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.umdenk-trainer.de/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Links to (2)

Linked from (1)