viessmann.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 910 ms crawled 2026-05-18

DE · 93.122.86.52 · AS48951 Telekom Deutschland GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

Klimalösungen: Effizient heizen, kühlen, lüften

Description

Heiz-, Kühl- und Lüftungstechnik, die Lebensräume gestaltet und das Klima schont. Entdecke ganzheitliche Lösungsangebote von Viessmann.

Language

de-DE

Canonical

https://www.viessmann.de/

Translations

bg-bg
cs
da
de-at
de-ch
de-de
de-lu
en-ae
en-au
en-ca
en-gb
en-hk
en-id
en-kh
en-us
en-vn
es-es
et
fi
fr-be
fr-ca
fr-ch
fr-fr
fr-lu
hr
hu
id-id
it-ch
it-it
km
lt
lv-lv
nl-be
nl-nl
no-no
pl
pt-pt
ro-ro
ru
ru-kg
ru-uz
sk-sk
sl
sr
sv-se
tr
uk-ua
vi
zh-cn

Open Graph

url: https://www.viessmann.de/
title: Klimalösungen: Effizient heizen, kühlen, lüften
locale: de_DE
description: Heiz-, Kühl- und Lüftungstechnik, die Lebensräume gestaltet und das Klima schont. Entdecke ganzheitliche Lösungsangebote von Viessmann.

Technology

Analytics

Google Tag Manager

Cookie consent

Usercentrics

Third-party hosts loaded (30)

www.viessmann.ch×3
www.viessmann-kh.com×2
www.viessmann.be×2
www.viessmann.ca×2
www.viessmann.com.vn×2
www.viessmann.id×2
www.viessmann.lu×2
web.cmp.usercentrics.eu×1
www.googletagmanager.com×1
www.viessmann-us.com×1
www.viessmann.ae×1
www.viessmann.at×1
www.viessmann.az×1
www.viessmann.bg×1
www.viessmann.cn×1
www.viessmann.co.uk×1
www.viessmann.com.au×1
www.viessmann.com.tr×1
www.viessmann.cz×1
www.viessmann.dk×1
www.viessmann.ee×1
www.viessmann.es×1
www.viessmann.fi×1
www.viessmann.fr×1
www.viessmann.hk×1
www.viessmann.hr×1
www.viessmann.hu×1
www.viessmann.it×1
www.viessmann.kg×1
www.viessmann.lt×1

Social

Registration

Updated

2026-02-19

Name servers

a.ns14.net.
b.ns14.net.
c.ns14.net.
d.ns14.net.

DNS records live

NS

a.ns14.net
b.ns14.net
c.ns14.net
d.ns14.net

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

Show 6 TXT records

google-site-verification=Kj-StaL3hIBG0uXS9pjaBTQ17dSbCcJqGGUWvseW9PQ
autodesk-domain-verification=MlXhim6a9-HDT7zHlHPN
facebook-domain-verification=3ab431qluyeknsby2cnnlqvja21etx
MS=ms34405776
google-site-verification=QlenZC3UnX84DgmXAPtK3zlgpAfQtkZDZlPK8ds_1rw
00d58000000hyrreaw

Email authentication partial

SPF: v=spf1 include:_spf.google.com include:_spf.viessmann-climatesolutions.com ip4:205.220.171.242 ip4:205.220.183.242 include:spf.protection.outlook.com include:spf-0065c301.pphosted.com -all
strict (-all)
DMARC: v=DMARC1;p=none;rua=mailto:dmarc-reports@viessmann-climatesolutions.com
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-18 to 2026-07-17

Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present

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

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources
missing frame protection

Header values

referrer-policy: no-referrer-when-downgrade
permissions-policy: geolocation=(self), camera=(self "https://heating-system-registration-b2b.viessmann.com" "https://heating-system-registration-b2b.viessmann-climatesolutions.com"), microphone=(self), autoplay=(self "https://www.youtube.com" "https://www.youtube-nocookie.com" "https://player.vimeo.com"), fullscreen=(self "https://www.youtube.com" "https://www.youtube-nocookie.com" "https://player.vimeo.com")
x-content-type-options: nosniff
content-security-policy: default-src 'unsafe-inline' 'unsafe-eval' data: blob: *; frame-ancestors 'self' https://viessmann.atlassian.net;
strict-transport-security: max-age=31557600