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384.9 M

Domains known to webXtrend

9.7 M

New domains in the last 30 days

62.8 M

Social media profiles detected

usdir.org

Get an email when its DNS, website or certificate changes.

usdir.org serves a website of its own over HTTPS. It answers on both IPv4 and IPv6, with a valid TLS certificate.

4,224 other domains share an IP address with it.

The most recent crawl returned the page title “Find businesses across the national directory | United States Directory” and 20,999 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .org Statistics for all domains we know under this TLD.
Has website yes A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record no The domain has an MX record.
External redirect no The domain redirects to another domain.
Redirect to https yes The domain redirects to https.
Redirect to www. no The domain redirects to www.domain.
Only with www. no The domain can only be reached with the subdomain "www".
Only DNS, no website no There are no A or AAAA records in DNS.
IP-Address Both Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate valid Shows whether the domain has a valid SSL certificate.
Redirects 0 Number of domains that redirect to this domain.
Reverse IP 4,224 Number of domains with the same IP(s).

This data through the API

The data on this page is also available as JSON: /lookup for the key facts, /reverseip, /redirect and /similar for the lists, and /dnshistory with Basic and Premium. A free account comes with an API key and 100 calls a day.

curl -X POST https://api.webxtrend.com/v1.0/lookup \
  -H 'Content-Type: application/json' \
  -d '{"token": "YOUR_TOKEN", "query": "usdir.org"}'

Create a free account Read the API docs

Detected social media networks

No social networks found on this website.

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Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out. The full list of up to 100 comes through the API: similar websites.

Last SSL certificate

Issuer Google Trust Services
Valid from 9/28/2026
Valid to 12/25/2026
Time until expiry 63 days

Last successful crawl

Title Find businesses across the national directory | United States Directory
Description USDir.org serves 33.6M business records for free. Start with jurisdiction, then narrow into cities, categories, and individual business records.
Content-Length 20,999 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address Last updated
104.21.6.44 10/4/2026
172.67.154.232 10/4/2026
13.248.213.45 9/25/2026
76.223.67.189 9/25/2026
104.21.6.44 12/9/2023
IPv6 address Last updated
2606:4700:3030:0:0:0:6815:62c 6/25/2026
2606:4700:3036:0:0:0:ac43:9ae8 6/25/2026
2606:4700:3031:0:0:0:ac43:9ae8 12/9/2023
2606:4700:3032:0:0:0:6815:62c 12/9/2023
Name server Last updated
andy.ns.cloudflare.com 10/4/2026
dina.ns.cloudflare.com 10/4/2026
ns45.domaincontrol.com 9/25/2026
ns46.domaincontrol.com 9/25/2026
andy.ns.cloudflare.com 12/9/2023

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

No domains found.

Reverse IP neighbours

104.21.6.44 1,060 domains · here since 9/20/2026
Domain On this IP since
ztcircular.com 10/6/2026
zsv.buzz 9/22/2026
zpu.buzz 10/10/2026
zoador.com 9/20/2026
zlibros.es 9/18/2026
zhujitianlong.com.cn 9/19/2026
zhrhy.cn 10/21/2026
zhivaya-eda.ru 9/20/2026
zhijia5.net 10/20/2026
zephyr-biome.com 9/20/2026
ze9.monster 9/14/2026
zdgyjq.com 9/18/2026
and 1,047 more
172.67.154.232 1,060 domains · here since 9/20/2026
Domain On this IP since
ztcircular.com 10/6/2026
zsv.buzz 9/22/2026
zpu.buzz 10/10/2026
zoador.com 9/20/2026
zlibros.es 9/18/2026
zhujitianlong.com.cn 9/19/2026
zhrhy.cn 10/21/2026
zhivaya-eda.ru 9/20/2026
zhijia5.net 10/20/2026
zephyr-biome.com 9/20/2026
ze9.monster 9/14/2026
zdgyjq.com 9/18/2026
and 1,047 more
2606:4700:3030::6815:62c 1,052 domains · here since 9/20/2026
Domain On this IP since
ztcircular.com 10/6/2026
zsv.buzz 9/22/2026
zpu.buzz 10/10/2026
zoador.com 9/20/2026
zlibros.es 9/18/2026
zhujitianlong.com.cn 9/19/2026
zhrhy.cn 10/21/2026
zhivaya-eda.ru 9/20/2026
zhijia5.net 10/20/2026
zephyr-biome.com 9/20/2026
ze9.monster 9/14/2026
zdgyjq.com 9/18/2026
and 1,039 more
2606:4700:3036::ac43:9ae8 1,052 domains · here since 9/20/2026
Domain On this IP since
ztcircular.com 10/6/2026
zsv.buzz 9/22/2026
zpu.buzz 10/10/2026
zoador.com 9/20/2026
zlibros.es 9/18/2026
zhujitianlong.com.cn 9/19/2026
zhrhy.cn 10/21/2026
zhivaya-eda.ru 9/20/2026
zhijia5.net 10/20/2026
zephyr-biome.com 9/20/2026
ze9.monster 9/14/2026
zdgyjq.com 9/18/2026
and 1,039 more

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses. The complete list of neighbours, also for an IP address, comes through the API: reverse IP lookup.