indexo.dev

kellenbenz-lueftungsbau.de

.de crawl

First seen 2026-05-11 · Last seen 2026-05-17 · ok HTTP/1.1 200 14445 ms crawled 2026-05-17

DE · 176.52.246.28 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Start - kellenbenz-lueftungsbau.de
Description
Kellenbenz Lüftungsbau GmbH. Unser Aufgabengebiet umfasst die komplette Lüftungstechnik für Industrie, öffentliche Auftraggeber und Privathäuser.
Language
de
Generator
TYPO3 CMS
Canonical
https://www.kellenbenz-lueftungsbau.de/

Technology

Server
Apache

Third-party hosts loaded (3)

  • elfsightcdn.com×1
  • static.elfsight.com×1
  • www.google.com×1

Social

Contact

Email

Registration

Updated
2016-08-22
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
  • 30 kellenbenzlueftungsbau-de02e.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com include:agenturserver.de ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-01 to 2026-06-30
Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.kellenbenz-lueftungsbau.de/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (2)

Linked from (1)