nadca.com homepage screenshot

nadca.com website report

National Air Duct Cleaners Association (NADCA)

NADCA is the global trade association representing the HVAC inspection, cleaning and restoration industry.

Nadca was registered 30 years 7 months ago, is ranked #181,513 worldwide (top 5%), has an estimated value of $10,180. It may earn around $1,001 per month from advertising.

Business & Industrial English

Last updated

Estimated worth
$10,180
Automated valuation
Global rank
#181,513
Improving
Monthly visitors
10K
525K page views
Domain age
30 years 7 months
Since Mar 19, 1996
Hosted in
United States
Atlantic.net
Security headers
72/100
Response 0.45 s

Key facts about nadca.com

Domain
nadca.com
Website name
National Air Duct Cleaners Association (NADCA)
Category
Business & Industrial
Estimated worth
$10,180
Global rank
#181,513 (top 5% of 3.5M ranked sites)
Monthly visitors (est.)
10K · 525K page views
Registered
March 19, 1996 (30 years 7 months ago)
Expires
March 20, 2027
Registrar
Network Solutions, LLC
Server location
Orlando, United States
Network
Atlantic.net AS6364
Email provider
Google Workspace
Language
English
Data updated

Estimated traffic & revenue

Page viewsVisitorsAd revenue
Daily17,493350$33
Monthly524,77710,496$1,001
Yearly6,297,324125,952$12,012

Modelled from the global rank — not measured analytics. Use them to compare sites, not as exact figures.

Global rank history

#182K #18.9M #37.6M 2026-06: #37,594,012 Jun 26 2026-07: #192,984 Jul 26 2026-08: #181,513 Aug 26
Monthly values
MonthGlobal rank
2026-06#37,594,012
2026-07#192,984
2026-08#181,513

Source: Rankeez (Tranco, Majestic, DomCop, Cisco Umbrella).

How we estimate nadca.com's value

$10,180

The estimate is the higher of two independent approaches, both computed automatically from public data.

  • Traffic value: $10,180Driven by the global rank #181,513 (≈525K page views / month) plus a capped age bonus.
  • Activity value: $1,416Domain age plus observable signs of an active, professionally run website.

Activity signals found

Domain age (30 years 7 months)$400
Active website with metadata+$150
Substantial homepage content+$150
Professional email (Google Workspace)+$150
Email authentication (SPF)+$50
Business services (Google Workspace, HubSpot, SendGrid)+$300
Security headers (72/100)+$216

Revenue, sales or private analytics are not public and are not included. This is not an appraisal or a sale price.

On-page SEO

TitleNational Air Duct Cleaners Association (NADCA)
46 chars
Meta descriptionNADCA is the global trade association representing the HVAC inspection, cleaning and restoration industry.
106 chars
Meta keywordsNone
LanguageEnglish
Response time0.45 s Fast

Homepage structure

H1 headings0
H2 headings14
H3 headings1
H4 headings0
Paragraphs15
Links110
Images5
Bold text0

No H1 heading found in the server HTML.

Technology & infrastructure

CDN / proxyNone detected
Web servernginx/1.20.1
Platform / languagePHP, Drupal
DNS providerNetwork Solutions
Email providerGoogle Workspace
SPF recordv=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
IPv6 (AAAA)No
CAA recordNo

Services verified in DNS

Google Search Console Google Workspace HubSpot SendGrid

Detected from TXT verification and SPF records published by the domain owner.

Domain name

Extension.com — the most widely used generic extension, originally for commercial sites
Name length5 characters Short
Hyphens / digitsNo hyphen · no digits

Security headers

72
5 passed · 3 to improve · 1 missing
Homepage answered HTTP 200 at https://nadca.com/ · checked Oct 31, 2026
  • HTTPSThe homepage is served over an encrypted HTTPS connection.
  • HTTP → HTTPS redirectVisitors typing http:// are redirected to the secure version.
  • Strict-Transport-Security (HSTS)Not set: browsers may still try plain HTTP first.
  • Content-Security-PolicyPresent (1 directives).
  • Clickjacking protectionCSP frame-ancestors prevents the site from being framed by others.
  • X-Content-Type-Optionsnosniff: browsers will not guess content types.
  • Referrer-PolicyNot set (browsers default to strict-origin-when-cross-origin).
  • Permissions-PolicyNot set: browser features are not explicitly restricted.
  • Software version disclosureReveals Server: nginx/1.20.1, X-Powered-By: PHP/8.2.35, which helps attackers target known vulnerabilities.
Raw HTTP response headers
HTTP/1.1 200 OK
Server: nginx/1.20.1
Date: Sat, 31 Oct 2026 08:48:49 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 62054
Connection: keep-alive
X-Powered-By: PHP/8.2.35
Cache-Control: max-age=1800, public
X-Drupal-Dynamic-Cache: MISS
Content-language: en
X-Content-Type-Options: nosniff
Expires: Sun, 19 Nov 1978 05:00:00 GMT
Vary: Cookie
X-Generator: Drupal 10 (https://www.drupal.org)
Content-Security-Policy: frame-ancestors https://breathingclean.com https://*.breathingclean.com
X-Drupal-Cache: HIT
Last-Modified: Fri, 30 Oct 2026 21:03:51 GMT
ETag: "1793394231"

Hosting

IP address69.28.92.135
Location Orlando, United States
Network (ISP)Atlantic.net
Autonomous systemAS6364 Atlantic.net, Inc.
Server softwarenginx/1.20.1

Nameservers

HostIPCountry
ns89.worldnic.com162.159.26.131—
ns90.worldnic.com162.159.27.117—

Domain registration (WHOIS)

RegistrarNetwork Solutions, LLC
CreatedMarch 19, 1996 30 years 7 months ago
UpdatedFebruary 13, 2026
ExpiresMarch 20, 2027 in 127 days
StatusclientTransferProhibited
Raw WHOIS record
   Domain Name: NADCA.COM
   Registry Domain ID: 361091_DOMAIN_COM-VRSN
   Registrar WHOIS Server: whois.networksolutions.com
   Registrar URL: http://networksolutions.com
   Updated Date: 2026-02-13T14:12:32Z
   Creation Date: 1996-03-19T05:00:00Z
   Registry Expiry Date: 2027-03-20T04:00:00Z
   Registrar: Network Solutions, LLC
   Registrar IANA ID: 2
   Registrar Abuse Contact Email: [email protected]
   Registrar Abuse Contact Phone: +1.8777228662
   Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
   Name Server: NS89.WORLDNIC.COM
   Name Server: NS90.WORLDNIC.COM
   DNSSEC: unsigned
   URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2026-08-26T09:48:03Z <<<

For more information on Whois status codes, please visit https://icann.org/epp

NOTICE: The expiration date displayed in this record is the date the
registrar's sponsorship of the domain name registration in the registry is
currently set to expire. This date does not necessarily reflect the expiration
date of the domain name registrant's agreement with the sponsoring
registrar.  Users may consult the sponsoring registrar's Whois database to
view the registrar's reported date of expiration for this registration.

TERMS OF USE: You are not authorized to access or query our Whois
database through the use of electronic processes that are high-volume and
automated except as reasonably necessary to register domain names or
modify existing registrations; the Data in VeriSign Global Registry
Services' ("VeriSign") Whois database is provided by VeriSign for
information purposes only, and to assist persons in obtaining information
about or related to a domain name registration record. VeriSign does not
guarantee its accuracy. By submitting a Whois query, you agree to abide
by the following terms of use: You agree that you may use this Data only
for lawful purposes and that under no circumstances will you use this Data
to: (1) allow, enable, or otherwise support the transmission of mass
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Whois database for failure to abide by these terms of use. VeriSign
reserves the right to modify these terms at any time.

The Registry database contains ONLY .COM, .NET, .EDU domains and
Registrars.

DNS records

TypeHostValueTTL
Anadca.comip: 69.28.92.135897
NSnadca.comtarget: ns89.worldnic.com7199
NSnadca.comtarget: ns90.worldnic.com7199
SOAnadca.commname: NS89.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 126050715
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600
7199
MXnadca.compri: 5
target: alt2.aspmx.l.google.com
7200
MXnadca.compri: 10
target: aspmx2.googlemail.com
7200
MXnadca.compri: 5
target: alt1.aspmx.l.google.com
7200
MXnadca.compri: 1
target: aspmx.l.google.com
7200
MXnadca.compri: 10
target: aspmx3.googlemail.com
7200
TXTnadca.comtxt: google-site-verification=OHbkgZr1ACPksEcOR2AMK1jdvd4XMPEi6c1CEI1wVJc7200
TXTnadca.comtxt: google-site-verification=p_vEk_dy6icrSVi_cGRd8bHNNRpv6XsLY0UKomW0WJE7200
TXTnadca.comtxt: 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 ~all900

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nadca.com compared with similar websites

WebsiteGlobal rankEst. worthRegisteredHosted in
nadca.com#181,513$10,1801996 United States
thecannabisindustry.org#170,887$10,7792010 United States
femalifesafety.org#1,375,764$1,2162004 United States
vocon.ca#35,675,494$100— United States
americanbiogascouncil.org#664,750$2,3252010 United States
ductcare.com#25,863,594$3352006 United States
epsa.org#1,871,826$9951996 United States

Websites ranked near nadca.com

  1. #181,498 silvertoncasino.com $10,181
  2. #181,502 hawaiireporter.com $10,181
  3. #181,503 piano.or.jp $9,836
  4. #181,511 vacationrentals411.com $10,180
  5. #181,513 nadca.com $10,180
  6. #181,514 norma.uz $9,835
  7. #181,515 la84.org $10,090
  8. #181,515 mastercam.com $10,180
  9. #181,516 tejaratnews.com $10,075

Questions about nadca.com

When was nadca.com registered?

Nadca.com was registered on March 19, 1996, making it 30 years 7 months old.

Who is the domain registrar for nadca.com?

Nadca.com is registered through Network Solutions, LLC.

Where is nadca.com hosted?

Nadca.com's server (IP 69.28.92.135) is located in Orlando, United States.

How much is nadca.com worth?

We estimate nadca.com is worth $10,180. This is an automated estimate based on the site's global traffic rank, domain age and observable activity signals (professional email, business services, security, CDN) — not a professional appraisal or a real sale price.

How much traffic does nadca.com get?

Based on its rank, nadca.com receives roughly 10K unique visitors and 525K page views per month. These figures are modelled from the rank, not measured.

What is nadca.com's global rank?

Nadca.com has an estimated global rank of 181,513, sourced from Rankeez.com, which aggregates the Tranco, Majestic, DomCop and Cisco Umbrella rankings. Its rank has improved over the tracked period. This is an independent estimate, not affiliated with Amazon Alexa, which discontinued its own ranking service in 2022.

Who hosts nadca.com?

Nadca.com resolves to 69.28.92.135, on the network of Atlantic.net (AS6364). Its DNS is managed by Network Solutions.

What email provider does nadca.com use?

According to its MX records, nadca.com receives email with Google Workspace. It publishes an SPF record to authenticate its outgoing mail.

When does nadca.com expire?

The domain registration of nadca.com is valid until March 20, 2027 (in 127 days), at Network Solutions, LLC. Owners usually renew before that date.

What websites are similar to nadca.com?

Popular websites in the same category as nadca.com include thecannabisindustry.org, femalifesafety.org, vocon.ca, americanbiogascouncil.org, ductcare.com.

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nadca.com on StatMemory

Shows your live global rank. To cite this report: “StatMemory, nadca.com website report, https://statmemory.com/nadca.com”.

StatMemory is not affiliated with nadca.com. This report shows publicly available data (DNS, WHOIS, HTTP headers, public top-site lists) and automated estimates for information purposes.