Start checking historical WHOIS records via API calls in your developed systems and commercial applications.Get started
100 free credits monthly. No credit card required.
Track all changes in domain ownership and registration for the past 10 years from our daily-updated database that contains billions of current and historical WHOIS records.
There is no need to spend days programming to get the job done. Whois History API integration is made easier with code libraries and JSON & XML output formats.
Use WHOIS History API to look up the hidden identity of past domain owners and identify attacker’s historical footprints — before privacy records.
Find out who might be committing online fraud or attacking your network with WHOIS History API.
Get in-depth insights into your customer base. Use WHOIS History API to conduct statistical and market share analyses to improve marketing strategies, zoom in on the right markets, and identify untapped opportunities.
Get the most relevant data to be ahead of emerging security threats.Learn more
Find connections between various domains, individuals and organizations.Learn more
Get well-parsed and normalized WHOIS information for any domain name, IP address or email.Learn more
Monitor exact matches, variations and common misspellings of your brand name & trademarks.Learn more
Ensure the validity and quality of any email address.Learn more
Reveal all the domains that use the same mail server.Learn more
Assess the domain's or IP addresses reputation and risk profile with a simple score based on a comprehensive...Learn more
Instantly get a screenshot of any web page.Learn more
Enhance your domain research toolkit by our enterprise-grade web-based solution that helps you in searching...Learn more
Get a complete daily list of all the registered domains and zone files.Learn more
Find domains and subdomains related by specific terms in their hostnames.Learn more
Find out the exact physical location of any IP address, email or domain name.Learn more
Discover subdomains related to the target domain name.Learn more
Find out which IP range the particular IP belongs to.Learn more
Define website category of the given domain.Learn more
Get data feeds of new registered domains along with their WHOIS data generated in real time.Learn more
Identify who is hosting a particular domain name or website.Learn more
Get access to the biggest US Internet Retailers Database.Learn more
Easily detect all typosquatting domain names as soon as they are registered each day.Learn more
Get full contacts data of the given domain.Learn more
Find out which domains were added or dropped by registrants, with given search criteria.Learn more
Get insights for the new business registered on the web.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 relations like ownership between hostnames and IPs.Learn more
Find all domains that use the same name server.Learn more
The most accurate domain availability checker offered on the market.Learn more
Keep track of the best business opportunities online.Learn more
We offer more than historical WHOIS data. Check our Enterprise API Packages for access to other comprehensive DNS and IP intelligence sources to strengthen your data integration, analysis, and correlation activities.Learn more