indexo.dev

heinrich-von-kleist-gesellschaft.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-12 · ok HTTP/1.1 200 374 ms crawled 2026-05-15

FI · 95.216.195.239 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Homepage — Heinrich-von-Kleist-Gesellschaft
Language
de

Technology

Server
Apache

Third-party hosts loaded (1)

  • cdn.jsdelivr.net×1

Registration

Updated
2026-04-06
Name servers
  • ns.udag.de.
  • ns.udag.net.
  • ns.udag.org.

DNS records live

NS
  • ns.udag.de
  • ns.udag.net
  • ns.udag.org
MX
  • 10 mx00.udag.de
  • 20 mx01.udag.de

Email authentication weak

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

Certificate (current)

E8
from 2026-04-06 to 2026-07-05
Expires in 45 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://heinrich-von-kleist-gesellschaft.de/

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

Links to (3)

Linked from (1)