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.
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Reveal all the domains that use the same mail server.Learn more
Get well-parsed and normalized WHOIS information for any domain name, IP address or email.Learn more
Ensure the validity and quality of any email address.Learn more
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Find out which IP range the particular IP belongs to.Learn more
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Discover subdomains related to the target domain name.Learn more
Find out the exact physical location of any IP address, email or domain name.Learn more
Find out which domains were added or dropped by registrants, with given search criteria.Learn more