indexo.dev

johannesbobrowski.de

.de crawl

First seen 2026-04-17 · Last seen 2026-05-08 · ok HTTP/1.1 200 3170 ms crawled 2026-05-12

DE · 85.220.231.171 · AS25394 MK Netzdienste GmbH & Co. KG

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Internationale Johannes-Bobrowski-Gesellschaft
Language
de
Generator
WordPress 6.9.4
Canonical
https://johannesbobrowski.de/
Feeds

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • gmpg.org×1

Registration

Updated
2020-02-14
Name servers
  • ns1.flatns.de.
  • ns2.flatns.de.
  • ns3.flatns.de.
  • ns4.flatns.de.

DNS records live

NS
  • ns1.flatns.de
  • ns2.flatns.de
  • ns3.flatns.de
  • ns4.flatns.de
MX
  • 10 mail.johannesbobrowski.de

Email authentication weak

SPF
v=spf1 a mx include:flatbooster.net -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-07 to 2026-07-06
Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (1)