heizung-angebotsvergleich.de

.de crawl

First seen 2026-04-30 · Last seen 2026-05-19 · ok HTTP/1.1 200 4385 ms crawled 2026-05-08

DE · 83.138.81.179 · AS34895 hostNET Medien GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Heizungstausch ➤ Heizung-Angebotsvergleich.de
Description: 2026 Heizung tauschen ✅Förderung bis zu 70 % ✅Beratung unverbindlich & kostenlos ✅qualifizierte Fachbetriebe
Language: de
Generator: Contao Open Source CMS
Canonical: https://www.heizung-angebotsvergleich.de/

Technology

Server: Apache

Cookie consent

Usercentrics

Third-party hosts loaded (1)

web.cmp.usercentrics.eu×1

Contact

Email

Phone

+4976159414146

Address

Registration

Updated

2018-08-15

Name servers

han.han-solo.net.
leia.han-solo.net.

DNS records live

NS

han.han-solo.net
leia.han-solo.net

MX

0 mail.heizung-angebotsvergleich.de
10 mail.heizung-angebotsvergleich.de

Verified for

Brevo

Email authentication partial

SPF

v=spf1 mx a ip4:83.138.81.169 ip4:83.138.81.203 include:spf.protection.outlook.com include:spf.nl2go.com -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc@heizung-angebotsvergleich.de;

policy: none (monitoring only)

DKIM

default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC0OtxPXwkFEyPMrhyzN53IJG8DI9F+ubXnbwSgBiX8i0I/sANqCT6+PSPKeffltmfoOLecWrX6EbTa0Qy1Cp…

selectors probed

Certificate (current)

R13

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

Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.heizung-angebotsvergleich.de/

present

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

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources

Header values

referrer-policy: no-referrer-when-downgrade, strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
permissions-policy: interest-cohort=()
x-content-type-options: nosniff
content-security-policy: default-src * 'unsafe-eval' 'unsafe-inline'; img-src * data: unsafe-inline
strict-transport-security: max-age=15768000