indexo.dev

onlinekurserfahrungen.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1983 ms crawled 2026-05-19

DE · 81.169.249.241 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

sector education type landing page

HTML metadata

Title
Onlinekurs Erfahrungen - Erfahrungen zu Onlinekursen und digitalen Produkten
Language
de
Generator
Extra v.4.27.5

Open Graph

locale
de_DE
site name
Onlinekurs Erfahrungen

Technology

Server
Apache
CMS
WordPress

Registration

Updated
2025-06-24
Name servers
  • ns3.stratoserver.net.
  • ns4.stratoserver.net.

DNS records live

NS
  • ns3.stratoserver.net
  • ns4.stratoserver.net
MX
  • 5 smtp.rzone.de
Verified for
  • Google

Email authentication strong

SPF
not published
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-06-25 to 2026-06-26
Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://onlinekurserfahrungen.de/

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

Linked from (7)