nadca.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-17 · ok HTTP/1.1 200 1134 ms crawled 2026-05-11

US · 69.28.92.135 · AS6364 Atlantic.net, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: National Air Duct Cleaners Association (NADCA)
Description: NADCA is the global trade association representing the HVAC inspection, cleaning and restoration industry.
Language: en
Generator: Drupal 9 (https://www.drupal.org)
Canonical: https://nadca.com/

Technology

Server: nginx
CMS: Drupal

Analytics

Google Tag Manager

Fonts

Adobe Fonts
Font Awesome

Third-party hosts loaded (7)

cdnjs.cloudflare.com×4
cdn.jsdelivr.net×3
adserver.associationheadquarters.com×2
translate.google.com×1
use.fontawesome.com×1
use.typekit.net×1
www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar

Network Solutions, LLC

Created

1996-03-19

Expires

2027-03-20 304 days left

Updated

2026-02-13

Name servers

ns89.worldnic.com
ns90.worldnic.com

DNS records live

NS

ns89.worldnic.com
ns90.worldnic.com

MX

1 aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

google-site-verification=OHbkgZr1ACPksEcOR2AMK1jdvd4XMPEi6c1CEI1wVJc
google-site-verification=p_vEk_dy6icrSVi_cGRd8bHNNRpv6XsLY0UKomW0WJE

Email authentication partial

SPF

v=spf1 a ip4:69.28.92.135 ip4:207.97.230.77 ip4:207.97.230.13 ip4:50.205.215.234 ip4:64.129.122.176 ip4:64.132.221.30 include:_spf.createsend.com include:sendgrid.net include:spf.gocadmium.com include:spf.constantcontact.com include:_spf.google.com include:50348180.spf04.hubspotemail.net ~all

softfail (~all)

DMARC

v=DMARC1; p=none; pct=0;

policy: none (monitoring only) · pct=0

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAg3TpnYg0I5ZVVQtBYNSpX261Pg72Bu9pqfC39IAOn6u3lM8/evBxOnJ+bQBANKX4o8SBXG0GOH52yF…

selectors probed

Certificate (current)

R13

from 2026-03-17 to 2026-06-15

Expires in 27 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://nadca.com/

present

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

findings

missing HSTS
CSP uses wildcard sources
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff
content-security-policy: frame-ancestors https://breathingclean.com https://*.breathingclean.com