indexo.dev

mathe-lerntipps.de

.de crawl

First seen 2026-04-17 · Last seen 2026-05-12 · ok HTTP/1.1 200 5215 ms crawled 2026-05-12

DE · 87.118.70.117 · AS31103 Keyweb AG

Reputation 87/100 weak security headers no dmarc policy

sector education type landing page

HTML metadata

Title
Mathematik für Schüler, Abiturienten und Studenten - Mathe Lerntipps
Language
de
Generator
WordPress 6.9.4
Canonical
https://www.mathe-lerntipps.de/
Feeds

Open Graph

url
https://www.mathe-lerntipps.de/
title
Mathematik für Schüler, Abiturienten und Studenten - Mathe Lerntipps
locale
de_DE
site name
Mathe Lerntipps
description
Erklärungen, Rechenbeispiele, Aufgaben, Übungen, Lösungen & Tipps rund um die Welt der Mathematik. Keine Sorge, die Lösung, die du suchst

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • gmpg.org×1

Social

Registration

Updated
2023-03-29
Name servers
  • ns1.domainoffensive.de.
  • ns2.domainoffensive.de.
  • ns3.domainoffensive.de.

DNS records live

NS
  • ns1.domainoffensive.de
  • ns2.domainoffensive.de
  • ns3.domainoffensive.de
MX
  • 10 mail.mathe-lerntipps.de

Email authentication weak

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

Certificate (current)

R12
from 2026-05-10 to 2026-08-08
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.mathe-lerntipps.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)