indexo.dev

geometrie.org

.org crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 340 ms crawled 2026-05-31

DE · 87.230.104.37 · AS34011 Host Europe GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
geometrie.org – Geometrie in der Primarstufe
Description
Kostenlose Unterrichtsmaterialien für den Geometrieunterricht in der Grundschule. 3D-Druckvorlagen, Arbeitsblätter und Kopiervorlagen zum Herunterladen.
Language
de

Technology

Server
Apache
Stack
PHP

DNS records live

NS
  • ns51.domaincontrol.com
  • ns52.domaincontrol.com
MX
  • 50 mx0.geometrie.org

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)

Starfield Secure Certificate Authority - G2
from 2025-09-19 to 2026-10-19
Expires in 140 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://geometrie.org/

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

Linked from (1)