lindemann-gruppe.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-20 · ok HTTP/1.1 200 1245 ms crawled 2026-05-06

DE · 116.203.247.83 · AS24940 Hetzner Online GmbH

Reputation 92/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: LINDEMANN Gruppe | WIR BAUEN ZUKUNFT
Description: Die LINDEMANN Gruppe bietet für Privat- und Gewerbekunden Komplettlösungen aus einer Hand immer mit dem Anspruch, das Beste für die Kunden zu ermöglichen.
Language: de
Generator: TYPO3 CMS
Canonical: https://www.lindemann-gruppe.de/

Technology

Server: Apache

Analytics

Google Tag Manager

Cookie consent

Usercentrics

Third-party hosts loaded (3)

app.eu.usercentrics.eu×1
sdp.eu.usercentrics.eu×1
www.googletagmanager.com×1

Social

Contact

Email

Phone

+4941415260

Registration

Updated

2023-05-15

Name servers

ns1.your-server.de.
ns3.second-ns.de.
ns.second-ns.com.

DNS records live

NS

ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de

MX

10 lindemanngruppe-de02c.mail.protection.outlook.com

TXT

MS=10CAADEC0E5D78BCEF259578C9C5CC37C3E89815
have-i-been-pwned-verification=dweb_ajai14j5wbdwsqcreuy5iq4a

Email authentication strong

SPF

v=spf1 a mx ip4:217.239.183.82/29 ip4:116.203.247.83/32 ip4:134.119.225.147/32 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all

strict (-all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0Sws77uM2ocRCR8xSuIkxWiJ0YZ/N+avKNQ9kBAvmoHBgrEmE8sOP3D/i75S4r93/O0lxuwcNUNIx5…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwrwgiQzSIh4P2opnhWDYzw9kdGTl7zGmOEXqQl5N6dIauVhy59RO4vtKtOqXbJVQqFovb4kQj090i+…

selectors probed

Certificate (current)

R13

from 2026-04-12 to 2026-07-11

Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.lindemann-gruppe.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