urlcategorizationdatabase.com

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

urlcategorizationdatabase.com serves a website of its own. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

3,485 other domains share an IP address with it.

The most recent crawl returned the page title “URL Categorization Database | 120M+ Domains for AdTech, Cybersecurity & SEO” and 130,827 bytes of HTML.

Domain properties

Property	Value	Explanation
Top-level domain	.com	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	yes	The domain has an MX record.
External redirect	no	The domain redirects to another domain.
Redirect to https	no	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	3,485	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": "urlcategorizationdatabase.com"}'

Create a free account Read the API docs

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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	9/12/2026
Valid to	12/11/2026
Time until expiry	52 days

Last successful crawl

Title	URL Categorization Database \| 120M+ Domains for AdTech, Cybersecurity & SEO
Description	Access the world's most comprehensive URL Categorization Database. 120M+ domains classified by IAB & Web Filtering taxonomies, enriched with company data, tech stacks, and more. Power your platform today.
Content-Length	130,827 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
104.21.39.212	5/31/2026
172.67.148.227	5/31/2026
188.114.96.0	5/23/2026
188.114.97.0	5/23/2026
104.21.39.212	5/8/2026

IPv6 address	Last updated
2606:4700:3034:0:0:0:ac43:94e3	6/25/2026
2606:4700:3037:0:0:0:6815:27d4	6/25/2026
2606:4700:3033:0:0:0:ac43:94e3	5/31/2026
2606:4700:3034:0:0:0:6815:27d4	5/31/2026
2a06:98c1:3120:0:0:0:0:0	5/23/2026

Mail server	Priority	Last updated
mx.zoho.com	10	10/27/2025
mx2.zoho.com	20	10/27/2025
mx3.zoho.com	50	10/27/2025
eforward1.registrar-servers.com	10	10/9/2025
eforward2.registrar-servers.com	10	10/9/2025

Name server	Last updated
amir.ns.cloudflare.com	10/9/2025
melissa.ns.cloudflare.com	10/9/2025

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

172.67.148.227 876 domains · here since 10/5/2026

Domain	On this IP since
zzdoil.com	9/13/2026
zz22.im	9/19/2026
zwinkler.info	10/17/2026
zldigital.org	9/23/2026
zjcolli.com	10/13/2026
ziyudhy1.wiki	9/20/2026
zarvaxenkhep.world	9/21/2026
z26513.cc	9/16/2026
yy6-bet.com	9/12/2026
ypag.com.ua	10/2/2026
yoursiteguruweb.com	10/18/2026
yourfraudreport.com	9/16/2026
and 863 more

104.21.39.212 875 domains · here since 10/5/2026

Domain	On this IP since
zzdoil.com	9/13/2026
zz22.im	9/19/2026
zwinkler.info	10/17/2026
zldigital.org	9/23/2026
zjcolli.com	10/13/2026
ziyudhy1.wiki	9/20/2026
zarvaxenkhep.world	9/21/2026
z26513.cc	9/16/2026
yy6-bet.com	9/12/2026
ypag.com.ua	10/2/2026
yoursiteguruweb.com	10/18/2026
yourfraudreport.com	9/16/2026
and 862 more

2606:4700:3034::ac43:94e3 867 domains · here since 10/5/2026

Domain	On this IP since
zzdoil.com	9/13/2026
zz22.im	9/19/2026
zwinkler.info	10/17/2026
zldigital.org	9/23/2026
zjcolli.com	10/13/2026
ziyudhy1.wiki	9/20/2026
zarvaxenkhep.world	9/21/2026
z26513.cc	9/16/2026
yy6-bet.com	9/12/2026
ypag.com.ua	10/2/2026
yoursiteguruweb.com	10/18/2026
yourfraudreport.com	9/16/2026
and 854 more

2606:4700:3037::6815:27d4 867 domains · here since 10/5/2026

Domain	On this IP since
zzdoil.com	9/13/2026
zz22.im	9/19/2026
zwinkler.info	10/17/2026
zldigital.org	9/23/2026
zjcolli.com	10/13/2026
ziyudhy1.wiki	9/20/2026
zarvaxenkhep.world	9/21/2026
z26513.cc	9/16/2026
yy6-bet.com	9/12/2026
ypag.com.ua	10/2/2026
yoursiteguruweb.com	10/18/2026
yourfraudreport.com	9/16/2026
and 854 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.

Dive into our data, search now!