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harkerheating.com

.com ok HTTP/1.1 200 1225 ms

First seen 2026-06-16 · Last seen 2026-06-16 · crawled 2026-06-16

US · 141.193.213.11 · AS209242 Cloudflare London, LLC

Reputation 87/100 weak security headers no dmarc policy

sector media news type blog

HTML metadata

Title
Heating and Cooling Services in Madison | Harker Heating & Cooling
Description
Harker Heating & Cooling Inc. has been providing high-quality heating and cooling services in Madison since 1949. With 24/7 technician services available, we are here to help you with all HVAC needs.
Language
en-US
Generator
Elementor 4.1.3; features: additional_custom_breakpoints; settings: css_print_method-external, google_font-enabled, font_display-auto
Canonical
https://www.harkerheating.com/

Open Graph

url
https://www.harkerheating.com/
title
Heating and Cooling Services in Madison | Harker Heating & Cooling
locale
en_US
site name
Harker Heating & Cooling
description
Harker Heating & Cooling Inc. has been providing high-quality heating and cooling services in Madison since 1949. With 24/7 technician services available, we are here to help you with all HVAC needs.

Contact

Technology

CDN
Cloudflare
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • lh3.googleusercontent.com×10
  • fonts.gstatic.com×4
  • fonts.googleapis.com×3
  • maxcdn.bootstrapcdn.com×1
  • static.addtoany.com×1
  • www.facebook.com×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2002-02-15
Expires
2031-02-15 1700 days left
Updated
2023-04-13
Name servers
  • ns1.aplus.net
  • ns2.aplus.net
  • ns3.aplus.net

DNS records live

NS
  • ns1.aplus.net
  • ns2.aplus.net
  • ns3.aplus.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

Email authentication weak

SPF
v=spf1 include:_spf.google.com ip4:64.29.151.0/24 ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCVNP73STEZwZglpUvCP/pi35SCMUz0xZZ1rIQHfmlQ6EiOHYYt4LHe6/TRBwWtwinXI/Wllo346TBc0xTbDN…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3ALzXhH9yE1K4VQ3daJA6Dubpbpdppzsc3bviGtSUG29MKH5eHwbtzBNTMDXGiY8C+cJLN4B+2Sjeuo61p…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCj8+zNZDcQoxRGgc1Dfml2vkLQrMI161wH42LWTOfD3FWlTclfVBgLyaw4cpm2l0mBzvwPB0Os/aW+VnLwSvB0LW…
selectors probed

Certificate (current)

E7
from 2026-05-10 to 2026-08-08
Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.harkerheating.com/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (6)

Linked from (1)

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