indexo.dev

zehnder-rittling.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-08 · ok HTTP/1.1 200 1940 ms crawled 2026-05-09

US · 23.185.0.3 · AS54113 Fastly, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Zehnder Rittling | Industy Leading Hydronic & Radiant Heating Solution for 70 Years
Description
With patented and proven heating and cooling products, Zehnder Rittling is a single source supplier of hydronic or radiant heating and cooling solutions.
Language
en-US
Generator
Divi Child Theme v.1.0.0
Canonical
https://zehnder-rittling.com/
Feeds

Open Graph

url
https://zehnder-rittling.com/
title
Zehnder Rittling | Industy Leading Hydronic & Radiant Heating Solution for 70 Years
locale
en_US
site name
Zehnder Rittling
description
With patented and proven heating and cooling products, Zehnder Rittling is a single source supplier of hydronic or radiant heating and cooling solutions.

Technology

Server
nginx
CMS
WordPress
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • cdnjs.cloudflare.com×3
  • www.googletagmanager.com×2
  • fonts.gstatic.com×1
  • www.google.com×1

Social

Contact

Phone

Registration

Registrar
DNC Holdings, Inc.
Created
2010-06-09
Expires
2027-06-09 384 days left
Updated
2026-04-25
Name servers
  • ns0.directnic.com
  • ns1.directnic.com
  • ns2.directnic.com
  • ns3.directnic.com

DNS records live

NS
  • ns0.directnic.com
  • ns1.directnic.com
  • ns2.directnic.com
  • ns3.directnic.com
MX
  • 0 zehnderrittling-com01i.mail.protection.outlook.com
TXT
  • duo_sso_verification=888F04LsgR0sOwNApS1m6RAU12N6DjZOGzuHOGE1XkXBNGhXtzSx42xn5UEbWvm9
Verified for
  • Microsoft 365

Email authentication partial

SPF
v=spf1 a:zehndergroup.com a:zehndergroup-com.mail.protection.outlook.com include:zcsend.net ip4:173.195.83.98 ip4:195.49.26.24/29 ip4:195.49.26.32/29 ip4:74.112.121.247 ip4:74.112.121.93 ip4:72.45.246.194 ip4:213.156.227.9 ip4:213.156.239.9 ip4:74.112.121.139 ip4:74.112.121.140 ip4:72.45.246.205 ip4:13.59.135.16 ip4:13.59.20.101 ip4:18.217.63.249 ip4:18.218.193.136 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:b76e6a9b@mxtoolbox.dmarc-report.com,mailto:administrator@zehnder-rittling.com,mailto:f1156d50f7a7709@rep.dmarcanalyzer.com; ruf=mailto:b76e6a9b@forensics.dmarc-report.com,mailto:administrator@zehnder-rittling.com,mailto:f1156d50f7a7709@rep.dmarcanalyzer.com; fo=1; adkim=r; aspf=r
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA49Q/CNEJY6W71UPFVRoZmERxBkZq/4/ykCVgRARIX8gFZiuKJvjPuEtpNFqbWCSWUBi8FIBD+fzgie…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlVFvAgNwt8Wea5dhxasCSubqrOa6RxJEUOC8tnWUiY/AB/mmE+UZX/0aU+zylrlAGAEgVqq5ERraWB…
selectors probed

Certificate (current)

R12
from 2026-04-14 to 2026-07-13
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://zehnder-rittling.com/

present
  • strict-transport-security
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=300

Links to (7)

Linked from (3)