indexo.dev

gereonklein.de

.de crawl

First seen 2026-04-17 · Last seen 2026-05-12 · ok HTTP/1.1 200 1510 ms crawled 2026-05-12

DE · 185.26.156.195 · AS58010 uvensys GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Gereon Klein - Facilitation for Change | Gereon Klein - Facilitation for Change
Description
Change Management, Szenario-Management, Begleitung von Innovationsprozessen
Language
de
Generator
GravCMS
Canonical
https://gereonklein.de/

Open Graph

url
https://gereonklein.de
title
Gereon Klein - Facilitation for Change
site name
Gereon Klein
description
Change Management, Szenario-Management, Begleitung von Innovationsprozessen, Moderation und Trainings

Technology

Server
nginx

Registration

Updated
2013-11-11
Name servers
  • a.regfish-ns.net.
  • b.regfish-ns.net.
  • c.regfish-ns.net.

DNS records live

NS
  • a.regfish-ns.net
  • b.regfish-ns.net
  • c.regfish-ns.net
MX
  • 0 mailserv.regfish.com

Email authentication weak

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

Certificate (current)

R13
from 2026-04-03 to 2026-07-02
Expires in 45 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://gereonklein.de/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Linked from (2)