indexo.dev

kuehn-elektrotechnik.de

.de crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 871 ms crawled 2026-06-02

DE · 212.87.145.54 · AS20677 imos Gesellschaft fuer Internet-Marketing und Online-Services mbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home | Kühn Elektrotechnik GmbH
Description
Ihr mittelständischer Spezialist für Gebäudetechnik, Energietechnik, Energiemanagement und Schaltschrankbaufertigung in Karlsruhe, Teningen und Renchen.
Language
de

Technology

Server
Apache

Third-party hosts loaded (1)

  • cdnjs.cloudflare.com×2

Social

Contact

Email
Phone

Registration

Updated
2023-10-18
Name servers
  • ns1.imos.net.
  • ns2.imos.net.

DNS records live

NS
  • ns1.imos.net
  • ns2.imos.net
MX
  • 10 mx1.heldele.de
TXT
  • knowbe4-site-verification=4ba536430b2c4535c1b3fe3e9ff777b6
Verified for
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 a a:webmail.kuehn-elektrotechnik.de a:mx1.heldele.de ip4:212.87.147.230 ip4:212.87.133.195 include:spf.protection.outlook.com include:spf.crsend.com include:spf-de.emailsignatures365.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-14 to 2026-08-12
Expires in 67 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.kuehn-elektrotechnik.de/

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

Links to (3)

Linked from (1)

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