WHOIS Search | Access a domain’s WHOIS record | Domain Research Suite | WhoisXML API

WHOIS Search

Get the registration details, also known as “WHOIS record”, of any given domain or IP address with WHOIS Search.

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WHOIS Search

WHOIS Search gives an exhaustive list of data points related to a domain, an IP address, or an email address. Use the service to find out a domain registrant’s name, organization, email address, registrar, and contact details. WHOIS Search also tells you how old a domain is, if it is available for registration, and more.

7.0+ billion Historic WHOIS Records
582+ million Domains tracked
2,864+ TLDs tracking
10+ years of data crawling

Get all you need to know about a domain name of your interest

Get current WHOIS records

The domain ownership data made available via WHOIS Search is actionable and refreshed daily to enable better decisions.

Find all connected domains

Build a reverse WHOIS report for the domain you queried to determine any other domains associated with it.

Track record modifications

Want to be immediately notified when a domain’s status changes? Add any registrant field input—name, email address, street address, postal code, or phone number—to Registrant Monitor.

Practical uses

Prevent intellectual property and trademark abuse


You can use WHOIS Search to scan for lookalike, duplicate, or copycat domains.

Avoid becoming the next cyberattack victim


Any domain, website, or IP address that has connections to fraudulent and malicious activities and individuals can pose risks to your business. Avoid such ties with WHOIS Search’s help.

Take advantage of untapped opportunities


Use the contact details domain owners provide in their WHOIS records to look for partnership opportunities. You can also find more buyers that way.

Access WHOIS data through API calls

Enjoy quick and easy integration of WHOIS data without excessive programming. Access our readily available code libraries and get started today.

Learn more about the API Integration

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