indexo.dev

ck-holding.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 4724 ms crawled 2026-05-16

DE · 195.201.90.176 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
CK Holding: Dachgesellschaft von Carsten Kraus - Business Angel
Description
Die CK Holding ist die Dachgesellschaft für die Unternehmungen und Start-ups von Carsten Kraus: Experte für KI, Data Science & Business Angel
Language
de
Generator
WordPress 6.9.4
Canonical
https://www.ck-holding.de/
Feeds

Open Graph

url
https://www.ck-holding.de/
title
CK Holding
locale
de_DE
site name
CK Holding - Carsten Kraus Holding
description
Die CK Holding fungiert als Dachgesellschaft für die Unternehmungen von Carsten Kraus. Als Experte für Künstliche Intelligenz und Data Science, Business Angel und Visionär investiert er in Start-ups und baut eigene Ideen aus.

Technology

Server
Apache
CMS
WordPress
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • www.googletagmanager.com×2
  • gmpg.org×1

Social

Contact

Email
Phone
Address
st Business Angel des Jahres 2024

Registration

Updated
2026-02-17
Name servers
  • a.ns14.net.
  • b.ns14.net.
  • c.ns14.net.
  • d.ns14.net.

DNS records live

NS
  • a.ns14.net
  • b.ns14.net
  • c.ns14.net
  • d.ns14.net
MX
  • 0 ckholding-de0e.mail.protection.outlook.com
TXT
  • nordpass-domain-verification=2542ca3b47ba40e3afa923913d2b6b04
  • knowbe4-site-verification=5bb852568857de996a985c331a1ec256
  • _globalsign-domain-verification=J3CIm4JOhn-Exuyft5P33RVrKF2H4932Ty_nvWVvaN

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:it@ck-holding.de; fo=1
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzSgIJ6I3GYsjrvbMV47fTyLEIvnayzuLxiV8YeHfsy6R1gXrI2f70rg3E4F3ClH62JlsoEev778mYH…
selectors probed

Certificate (current)

R12
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://www.ck-holding.de/

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

Links to (23)

Linked from (2)