klugesdenken.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 242 ms crawled 2026-05-19

US · 104.21.67.176 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Kluges Denken – Web Agentur für messbares Wachstum
Description
Verkaufsstarke Websites, intelligente Software und smarte Automatisierungen für messbares Wachstum. Ihre Web-Agentur aus Deutschland.
Language
de

Technology

CDN
Cloudflare
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • cloud.ccm19.de×1
  • fonts.gstatic.com×1

Registration

Updated
2026-03-23
Name servers
  • melany.ns.cloudflare.com.
  • quentin.ns.cloudflare.com.

DNS records live

NS
  • melany.ns.cloudflare.com
  • quentin.ns.cloudflare.com
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-02-25 to 2026-05-26
Expires in 5 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://klugesdenken.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 (1)