zirkon.de

.de crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 1494 ms crawled 2026-05-31

DE · 80.190.198.76 · AS15598 NorthC Deutschland GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: zirkon.de: Metallfreier Zahnersatz von Experten
Description: Die Experten für metallfreien Zahnersatz aus Keramik und Zirkonoxidkeramik - biokompatibel ✓ passgenau ✓ ästhetisch ✓ leicht ✓ stabil ✓.
Language: de-DE
Generator: TYPO3 CMS

Open Graph

description: Auf zirkon.de finden Patienten Zahnärzte und Dentallabore für metallfreien Zahnersatz sowie Zirkonimplantate in Deutschland.

Technology

Server: nginx
CMS: Joomla
jQuery: 1.11.1 known XSS (<3.5)

Analytics

Google Tag Manager

Fonts

Font Awesome

Third-party hosts loaded (4)

cdn.consentmanager.net×1
use.fontawesome.com×1
www.google.com×1
www.googletagmanager.com×1

Registration

Updated

2021-09-29

Name servers

node.nhdns.de.
node.nhdns.eu.
node.nhdns.net.

DNS records live

NS

node.nhdns.de
node.nhdns.eu
node.nhdns.net

MX

10 zirkon-de.mail.protection.outlook.com

Verified for

Microsoft 365

Email authentication weak

SPF: v=spf1 include:_spf-4.netz-haut.net include:_spf-6.netz-haut.net include:spf.protection.outlook.com mx -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Encryption Everywhere DV TLS CA - G2

from 2026-04-28 to 2026-11-13

Expires in 165 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.zirkon.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