Reverse domain queries via lookups or API calls are useful to identify all domain records that correspond to search terms like a name, an email address, a phone number, etc.Get started
100 free requests monthly. No credit card required.
Use our handy lookup web interface to query your search term of interest and get a list of all domain names found in the last 7 days (i.e., for which the term appears in the domains’ WHOIS records). Include and exclude certain terms with the advanced lookup option.
You can use Reverse WHOIS API to list linked domain names via API calls. We provide documentation and client libraries to facilitate integration.
Establish all known domain name associations with individuals and organizations. Learn more about domain footprints with the consumption model — lookup or API — of your choice.
Narrow down your search results by employing filtering parameters to exclude terms that are not relevant to your query.
Go with any WHOIS detail you have on hand to run queries via Reverse WHOIS Lookup and make API calls with Reverse WHOIS API. You can use exact-match terms or fuzzy ones for broader results.
Results from our lookup tool and API are gathered from the most comprehensive historical WHOIS database on the market with daily updates. All the data returned is parsed, normalized, and consistently formatted.
Find connections between various domains, individuals and organizations.Learn more
Find out which IP range the particular IP belongs to.Learn more
Get full contacts data of the given domain.Learn more
Keep track of the best business opportunities online.Learn more
Define website category of the given domain.Learn more
Find out the exact physical location of any IP address, email or domain name.Learn more
Get the most relevant data to be ahead of emerging security threats.Learn more
Find relations like ownership between hostnames and IPs.Learn more
Monitor exact matches, variations and common misspellings of your brand name & trademarks.Learn more
We provide complete and relevant domain WHOIS data which can be customized and easily integrated as per your business needs.Learn more
Find domains and subdomains related by specific terms in their hostnames.Learn more
Find all domains that use the same name server.Learn more
Get a complete daily list of all the registered domains and zone files.Learn more
Find out which domains were added or dropped by registrants, with given search criteria.Learn more
Get data feeds of new registered domains along with their WHOIS data generated in real time.Learn more
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Get well-parsed and normalized WHOIS information for any domain name, IP address or email.Learn more
Discover subdomains related to the target domain name.Learn more
Ensure the validity and quality of any email address.Learn more
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Identify who is hosting a particular domain name or website.Learn more
Easily detect all typosquatting domain names as soon as they are registered each day.Learn more
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The most accurate domain availability checker offered on the market.Learn more
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