h2konkret.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-15 · ok HTTP/1.1 200 1220 ms crawled 2026-05-15

DE · 217.154.228.37 · AS8560 IONOS SE

Reputation 95/100 weak security headers

Classifying

Technology

Server
nginx

Registration

Updated
2025-02-21
Name servers
  • nsa6.schlundtech.de.
  • nsb6.schlundtech.de.
  • nsc6.schlundtech.de.
  • nsd6.schlundtech.de.

DNS records live

NS
  • nsa6.schlundtech.de
  • nsb6.schlundtech.de
  • nsc6.schlundtech.de
  • nsd6.schlundtech.de

Email authentication no MX

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

Certificate (current)

R12
from 2026-05-13 to 2026-08-11
Expires in 83 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://h2konkret.de/

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

Links to (29)

Linked from (4)