indexo.dev

holger-dieterich.de

.de crawl

First seen 2026-04-19 · Last seen 2026-05-13 · ok HTTP/1.1 200 1922 ms crawled 2026-05-13

DE · 188.68.47.138 · AS197540 netcup GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Holger Dieterich
Language
de
Generator
WordPress 6.0.11
Canonical
https://holger-dieterich.de/
Feeds

Technology

Server
nginx
CMS
WordPress
Fonts
  • Google Fonts
Social widgets
  • LinkedIn Widget

Third-party hosts loaded (5)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1
  • gmpg.org×1
  • platform.linkedin.com×1
  • s.w.org×1

Social

Registration

Updated
2021-06-03
Name servers
  • root-dns.netcup.net.
  • second-dns.netcup.net.
  • third-dns.netcup.net.

DNS records live

NS
  • root-dns.netcup.net
  • second-dns.netcup.net
  • third-dns.netcup.net
MX
  • 10 mail.holger-dieterich.de
  • 50 mx2f8c.netcup.net

Email authentication weak

SPF
v=spf1 mx a include:_spf.webhosting.systems ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-15 to 2026-07-14
Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://holger-dieterich.de/

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

Links to (2)

Linked from (2)