zkn.de

.de crawl

First seen 2026-04-15 · Last seen 2026-05-14 · ok HTTP/1.1 200 490 ms crawled 2026-05-11

DE · 156.67.232.121 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 100/100

Classifying

HTML metadata

Title: ZKN – Zahnärztekammer Niedersachsen – ZKN – Zahnärztekammer Niedersachsen
Language: de
Generator: WordPress 6.9
Canonical: https://zkn.de/

Technology

Server: Apache
CMS: WordPress

Third-party hosts loaded (1)

gmpg.org×1

Social

Contact

Phone

Registration

Updated

2020-03-05

Name servers

ns01.agenturserver.co.
ns01.agenturserver.de.
ns01.agenturserver.it.

DNS records live

NS

ns01.agenturserver.co
ns01.agenturserver.de
ns01.agenturserver.it

MX

0 zkn-de.mail.protection.outlook.com

Email authentication strong

SPF

v=spf1 a:mail.zkn.de include:agenturserver.de include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; pct=100; rua=mailto:dmarc_agg@vali.email; ri=86400; fo=1;

policy: reject (enforced)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA07Et1UpE5nnugPzRmYX6kCxsppOBSp1xqjtH5/jvC/w8s7OOKZ2dcYJhn/m4wl9F3+WTmSgBbUIJd9…

selectors probed

Certificate (current)

RapidSSL TLS RSA CA G1

from 2025-09-07 to 2026-10-08

Expires in 141 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://zkn.de/

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy
permissions-policy

findings

missing Content Security Policy

Header values

referrer-policy: strict-origin-when-cross-origin, no-referrer-when-downgrade
x-frame-options: SAMEORIGIN
permissions-policy: accelerometer=(), autoplay=(self), camera=(), encrypted-media=(), fullscreen=(self), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=(), usb=()
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains; preload