indexo.dev

3k-kruse.de

.de crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 2432 ms crawled 2026-06-01

DE · 178.250.9.178 · AS45012 dogado GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
3K Kälte- und Klimatechnik Kruse
Language
de
Canonical
https://www.3k-kruse.de/

Technology

Server
Apache
CMS
WordPress
PHP
7.4.33 end of life
jQuery
3.7.1

Third-party hosts loaded (1)

  • ajax.googleapis.com×1

Contact

Email
Phone

Registration

Updated
2020-01-14
Name servers
  • ns1.de-nserver.de.
  • ns2.de-nserver.de.

DNS records live

NS
  • ns1.de-nserver.de
  • ns2.de-nserver.de
MX
  • 10 3kkruse-de0e.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com ip4:178.250.9.178 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-20 to 2026-07-19
Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.3k-kruse.de/

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

Linked from (1)