koertner-sicherheit.de

.de crawl

First seen 2026-05-20 · Last seen 2026-05-30 · ok HTTP/1.1 200 672 ms crawled 2026-05-27

DE · 81.88.34.145 · AS45012 dogado GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Startseite | Körtner Schlüssel- & Sicherheitstechnik
Language
de
Generator
Motorradschluessel v.1.0.1605606034
Canonical
https://koertner-sicherheit.de/startseite/
Feeds

Technology

Server
nginx
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • www.googletagmanager.com×3
  • hcaptcha.com×1
  • www.facebook.com×1
  • www.motorradschluessel.de×1

Social

Contact

Email
Phone

Registration

Updated
2020-11-05
Name servers
  • cns1.alfahosting.info.
  • cns2.alfahosting.info.
  • cns3.alfahosting.info.

DNS records live

NS
  • cns1.alfahosting.info
  • cns2.alfahosting.info
  • cns3.alfahosting.info
MX
  • 10 mx03.secure-mailgate.com
  • 10 mx04.secure-mailgate.com
Verified for
  • Google

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-14 to 2026-06-12
Expires in 9 days

HTTP security headers

Header hygiene 100/100 Checked live page: https://koertner-sicherheit.de/startseite/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
  • cross-origin-opener-policy
  • cross-origin-embedder-policy
  • cross-origin-resource-policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
accelerometer=(), autoplay=(), camera=(), cross-origin-isolated=(), display-capture=(self), encrypted-media=(), fullscreen=*, geolocation=(self), gyroscope=(), keyboard-map=(), magnetometer=(), microphone=(), midi=(), payment=*, picture-in-picture=*, publickey-credentials-get=(), screen-wake-lock=(), sync-xhr=*, usb=(), xr-spatial-tracking=(), gamepad=(), serial=()
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests;
strict-transport-security
max-age=63072000
cross-origin-opener-policy
unsafe-none
cross-origin-embedder-policy
unsafe-none; report-to='default'
cross-origin-resource-policy
cross-origin

Links to (5)

Linked from (2)