indexo.dev

bdkj-dortmund.de

.de crawl

First seen 2026-05-13 · Last seen 2026-05-13 · ok HTTP/1.1 200 1933 ms crawled 2026-05-19

DE · 212.46.103.166 · AS12676 HKN GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

Technology

Server
nginx

Registration

Updated
2009-10-05
Name servers
  • neos.hkn.de.
  • sns02.hkn.de.

DNS records live

NS
  • neos.hkn.de
  • sns02.hkn.de
MX
  • 10 mx23a.antispameurope.com
  • 20 mx23b.antispameurope.com
  • 30 mx23c.antispameurope.com
  • 40 mx23d.antispameurope.com

Email authentication weak

SPF
v=spf1 include:spf.hornetsecurity.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-12 to 2026-07-11
Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://bdkj-dortmund.de/

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

Linked from (1)