indexo.dev

lehrenkrauss.de

.de crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 874 ms crawled 2026-05-31

DE · 81.95.3.78 · AS201011 Core-Backbone GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Lehrenkrauss GmbH - Organisations- und Personalentwicklung - Home
Description
-
Language
en

Technology

Server
Microsoft-IIS
ASP.NET
4.0.30319
jQuery
1.7.2 known XSS (<3.5)
Stack
ASP.NET

Contact

Email

Registration

Updated
2018-06-15
Name servers
  • f2.de.ha-dns.net.
  • ka2.de.ha-dns.net.
  • lxa.us.ha-dns.net.
  • m.de.ha-dns.net.

DNS records live

NS
  • f2.de.ha-dns.net
  • ka2.de.ha-dns.net
  • lxa.us.ha-dns.net
  • m.de.ha-dns.net
MX
  • 100 mx1a.fritz.gmbh
  • 100 mx1b.fritz.gmbh

Email authentication weak

SPF
v=spf1 include:spf.fritz.gmbh -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-30 to 2026-07-29
Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.lehrenkrauss.de/

present
  • strict-transport-security
  • permissions-policy
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
usb=()
strict-transport-security
max-age=31536000

Linked from (2)