indexo.dev

lehrer-privatschule.de

.de crawl

First seen 2026-04-17 · Last seen 2026-05-18 · ok HTTP/1.1 200 392 ms crawled 2026-05-12

DE · 148.251.123.50 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

sector education type homepage

HTML metadata

Title
Lehrer an einer Privatschule
Language
en

Technology

Server
Apache

Registration

Updated
2021-01-19
Name servers
  • ns33.domaincontrol.com.
  • ns34.domaincontrol.com.

DNS records live

NS
  • ns33.domaincontrol.com
  • ns34.domaincontrol.com
MX
  • 50 mx0.lehrer-privatschule.de

Email authentication weak

SPF
v=spf1 a mx include:spf.server-he.de -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-29 to 2026-07-28
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://lehrer-privatschule.de/

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

Links to (1)

Linked from (2)