zehnder-systems.de

HTML metadata

Title: Zehnder Ihr Experte für Raumklima-Systemlösungen | Zehnder Systems Startseite
Description: Seit 1930 entwickelt Zehnder umfassende, energieeffiziente Raumklimasystemlösungen für Wohn- und Geschäftsgebäude. Erfahren Sie mehr über unsere komfortable Raumlüftung (Lüftungssysteme), Design-Heizkörper, Heiz- und Kühldecken sowie Luftreinigungssysteme.
Language: de
Generator: TYPO3 CMS
Canonical: https://www.zehnder-systems.de/de/

Technology

CDN: Amazon CloudFront
Server: Apache

Analytics

Google Tag Manager

Third-party hosts loaded (2)

consent.cookiebot.eu×1
www.googletagmanager.com×1

Social

Contact

Email

Phone

+4978215860

Address

Europastraße 10, 77933, Lahr, Germany

Registration

Updated

2021-06-09

Name servers

ns10.managed-ip.com.
ns11.managed-ip.info.
ns12.managed-ip.info.
ns9.managed-ip.com.

DNS records live

NS

ns10.managed-ip.com
ns11.managed-ip.info
ns12.managed-ip.info
ns9.managed-ip.com

MX

10 zehndersystems-de01i.mail.protection.outlook.com

TXT

_gbrbxdicv51f8p8w4w5qgcnlt86i189

Email authentication strong

SPF

v=spf1 include:spf.protection.outlook.com include:_u.zehnder-systems.de._spf.dmarclc.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; sp=reject; rua=mailto:f1156d50f7a7709@rep.dmarcanalyzer.com; ruf=mailto:f1156d50f7a7709@rep.dmarcanalyzer.com; adkim=s; aspf=s; fo=1

policy: reject (enforced) · sp=reject

DKIM

Show 12 DKIM selectors

default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3zbFdummyAAAJYLl0wmvog3+Lt4ltROpLYcntgtQr67YJ+iD78B/drsFHmLWLGscrVd3/ar4wdLss2…
google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3zbFdummyAAAJYLl0wmvog3+Lt4ltROpLYcntgtQr67YJ+iD78B/drsFHmLWLGscrVd3/ar4wdLss2…
selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0y5iiIVV/6l/bU4Mq8mrVZ0gUlNSyTl9WiDPe2QZVeWOuCFPgx0i4AqNLWXHRHY13EC/G1/YAgwC8T…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoRY+6I1JhQlcHtplDrF1ICD1P8qRJGCCs4YyfXbWJHWvBSfqrdewpUoiZiUu573BUSQ52MeL5IMbY0…
k1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3zbFdummyAAAJYLl0wmvog3+Lt4ltROpLYcntgtQr67YJ+iD78B/drsFHmLWLGscrVd3/ar4wdLss2…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3zbFdummyAAAJYLl0wmvog3+Lt4ltROpLYcntgtQr67YJ+iD78B/drsFHmLWLGscrVd3/ar4wdLss2…
mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3zbFdummyAAAJYLl0wmvog3+Lt4ltROpLYcntgtQr67YJ+iD78B/drsFHmLWLGscrVd3/ar4wdLss2…
dkim: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3zbFdummyAAAJYLl0wmvog3+Lt4ltROpLYcntgtQr67YJ+iD78B/drsFHmLWLGscrVd3/ar4wdLss2…
s1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3zbFdummyAAAJYLl0wmvog3+Lt4ltROpLYcntgtQr67YJ+iD78B/drsFHmLWLGscrVd3/ar4wdLss2…
s2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3zbFdummyAAAJYLl0wmvog3+Lt4ltROpLYcntgtQr67YJ+iD78B/drsFHmLWLGscrVd3/ar4wdLss2…
mxvault: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3zbFdummyAAAJYLl0wmvog3+Lt4ltROpLYcntgtQr67YJ+iD78B/drsFHmLWLGscrVd3/ar4wdLss2…
smtpapi: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3zbFdummyAAAJYLl0wmvog3+Lt4ltROpLYcntgtQr67YJ+iD78B/drsFHmLWLGscrVd3/ar4wdLss2…

selectors probed

Certificate (current)

Amazon RSA 2048 M04

from 2025-11-17 to 2026-12-17

Expires in 211 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.zehnder-systems.de/de

present

x-frame-options
x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: no-referrer
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff