tkrz-business.de

.de crawl

First seen 2026-04-15 · Last seen 2026-05-13 · ok HTTP/1.1 200 1099 ms crawled 2026-05-10

DE · 185.124.233.193 · AS42184 TKRZ Stadtwerke GmbH

Reputation 92/100 no dmarc policy

sector b2b services type homepage

HTML metadata

Title: TKRZ Geschäftskunden • TKRZ Business
Description: Egal ob Mittelstand oder Startup, für unsere Geschäftskunden stellen wir individuelle IT-Konzepte bereit.
Language: de-DE
Generator: TYPO3 CMS
Canonical: https://www.tkrz-business.de/

Open Graph

title: TKRZ Geschäftskunden • TKRZ Business
site name: TKRZ Business
description: Egal ob Mittelstand oder Startup, für unsere Geschäftskunden stellen wir individuelle IT-Konzepte bereit.

Technology

Server: nginx

Third-party hosts loaded (1)

static.teamviewer.com×1

Social

Contact

Phone

+49 2572 202 400

Registration

Updated

2020-11-12

Name servers

ns1.tkrz.de.
ns2.tkrz.de.
ns3.tkrz.de.
ns4.tkrz.de.

DNS records live

NS

ns1.tkrz.de
ns2.tkrz.de
ns3.tkrz.de
ns4.tkrz.de

MX

10 fw01.tkrz.de

Email authentication weak

SPF: v=spf1 a:fw01.tkrz.de ip6:2a01:4f8:222:a07::2 ip4:213.133.97.135 include:5pf.cows-server.de -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-02-28 to 2026-05-29

Expires in 9 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.tkrz-business.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: no-referrer-when-downgrade
x-frame-options: SAMEORIGIN
permissions-policy: geolocation=(), microphone=()
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains