arn-heizungen.ch

.ch crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 713 ms crawled 2026-06-03

CH · 80.74.152.80 · AS21069 METANET AG

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title

Arn Heizung-Sanitär AG – Home

Generator

Joomla! - Open Source Content Management

Feeds

Technology

Server: nginx
CMS: Joomla
jQuery: 3.6.0

Fonts

Font Awesome
Google Fonts

Third-party hosts loaded (4)

api.mapbox.com×2
cdnjs.cloudflare.com×1
fonts.googleapis.com×1
use.fontawesome.com×1

DNS records live

NS

ns1.candela.sui-inter.net
ns2.candela.sui-inter.net

MX

0 arnheizungen-ch0i.mail.protection.outlook.com

Email authentication weak

SPF: v=spf1 a include:spf.protection.outlook.com -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

YR2

from 2026-06-02 to 2026-08-31

Expires in 87 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://arn-heizungen.ch/

present

content-security-policy
x-content-type-options

findings

missing HSTS
CSP allows unsafe inline scripts/styles
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff
content-security-policy: default-src 'self' 'unsafe-inline'

Links to (10)

Linked from (1)

buerki-sanitaer.ch×1