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GeezerVison is showing reversewhois.domaintools.com — Reverse Whois | Domain Ownership Search | DomainTools

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  2. Reverse Whois
Notice: Possible deprecation of Whois services after January 28, 2025.

Reverse Whois

Discover the owner of a current or historical domain name. Just enter one or more unique identifiers (such as an individual's or a company's name, phone number, email address or physical address) and learn all the domain names they own or have ever owned.

SEARCH

Example: [email protected] or “DomainTools, LLC” or “2101 4th Avenue”

How does this work?

A normal Whois Lookup starts with a single domain name and only returns one ownership record.

The Reverse Whois product by DomainTools works in the opposite direction.

You enter terms that describe a domain owner, like an email address or a company name, and we'll search Whois records for those terms. You'll get a list of domain names which have your search terms listed in their Whois record.

Professionals use DomainTools Reverse Whois to:

  • Prioritize brand enforcement activities
  • Submit effective UDRP filings
  • Build complete threat assessments of bad actors
  • Inventory corporate domains for due-diligence research and asset management

Need help? Contact us today at [email protected].

Related Tools

  • Registrant Monitor
  • Actively monitor any domain owner and receive notification of all their ongoing activity.
  • Whois Lookup
  • Find the owner of a known domain name, including the owner's contact information.
  • Bulk Parsed Whois
  • Submit a list of domain names, and receive a .csv file with parsed Whois records for the domains.
  • Whois History
  • Track the ownership history of any known domain name as far back as 1995.
  • Hosting History
  • View historical IP addresses, name servers, and registrars for any given domain name.

Upgrade Your Membership and Elevate Your Defenses

You've got valuable starting data with Whois. Now it's time to take that information and make deeper connections to profile attackers, guide online fraud investigations, and map attacker infrastructure.

Learn More

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