indexo.dev

rainermuehlhoff.de

.de crawl

First seen 2026-04-19 · Last seen 2026-05-19 · ok HTTP/1.1 200 5249 ms crawled 2026-05-13

DE · 85.214.173.13 · AS6724 Strato GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home - Rainer Mühlhoff
Description
Philosoph, Mathematiker, Programmierer
Language
de
Canonical
https://rainermuehlhoff.de/
Translations
  • de
  • en
Feeds

Open Graph

url
https://rainermuehlhoff.de/
title
Home
locale
de_DE
site name
Rainer Mühlhoff
description
Philosoph, Mathematiker, Programmierer

Technology

Server
nginx

Social

Registration

Updated
2026-04-18
Name servers
  • ns1.dyna-ns.net.
  • ns2.dyna-ns.net.

DNS records live

NS
  • ns1.dyna-ns.net
  • ns2.dyna-ns.net
MX
  • 10 r7.ryfy.net

Email authentication weak

SPF
v=spf1 mx -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-25 to 2026-06-23
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (10)

Linked from (3)