indexo.dev

addison-hvac.com

.com crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 2538 ms crawled 2026-05-31

US · 167.172.226.30 · AS14061 DigitalOcean, LLC

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Addison HVAC | Innovative HVAC & DOAS Solutions
Description
Discover Addison HVAC systems designed for safer, healthier, and more efficient indoor environments. Explore custom DOAS, rooftop, and energy recovery solutions.
Language
en-US
Generator
WordPress 7.0
Canonical
https://www.addison-hvac.com/
Feeds

Open Graph

url
https://www.addison-hvac.com/
title
Addison HVAC | Innovative HVAC & DOAS Solutions
locale
en_US
site name
Addison HVAC
description
Discover Addison HVAC systems designed for safer, healthier, and more efficient indoor environments. Explore custom DOAS, rooftop, and energy recovery solutions.
updated time
2025-10-03T21:47:38+00:00

Technology

Server
nginx
CMS
WordPress 7.0
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×1
  • gmpg.org×1
  • use.typekit.net×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
Network Solutions, LLC
Created
1996-01-26
Expires
2028-01-27 605 days left
Updated
2025-11-28
Name servers
  • ns-1034.awsdns-01.org
  • ns-133.awsdns-16.com
  • ns-1562.awsdns-03.co.uk
  • ns-950.awsdns-54.net

DNS records live

NS
  • ns-1034.awsdns-01.org
  • ns-133.awsdns-16.com
  • ns-1562.awsdns-03.co.uk
  • ns-950.awsdns-54.net
MX
  • 0 addisonhvac-com01i.mail.protection.outlook.com
TXT
  • knowbe4-site-verification=95e1fc93d1fc7ad7b709dfe1d0fda662
  • poe4v0godreevirurfvr5v9gso
  • 21d3vcd0n63s4uup62vqgmusi4
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx ip4:206.192.100.36 include:spf.protection.outlook.com include:sendgrid.net ip4:3.214.204.181 include:spf.us.exclaimer.net -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@sendgrid.net; ruf=mailto:dmarc@sendgrid.net; rf=afrf; pct=100
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoaT8w6edpsJAQLUaaB/W9AFCYEom9DV6oQTGguhgaegflkG4p2+EUrNrPR2JPLwwIBx1OD+YJYZXEc…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2qWOudOpoIcbBI/5IimvkDruuYSVrw79Y2XnFy5jXCu85L5zLiHynixWxlb8MZ/CqVPAktiIH+DWqdREJm…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9N6OaBeCQjp0o5LTm/uTDMfL+3U2T3DZkYRw9qgqOXRCwHRpQJ9m2bIxhV0U4D6eV3j8839fhP+HOxkbQQ…
selectors probed

Certificate (current)

R13
from 2026-04-13 to 2026-07-12
Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.addison-hvac.com/

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

Links to (8)

Linked from (1)