Start checking WHOIS records’ history 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.
Use WHOIS History API to do in-depth research into a domain’s past and avoid potential liabilities. You can also start your WHOIS History investigations using the Domain Research Suite.
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The most accurate domain availability checker offered on the market.Learn more
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Easily detect all typosquatting domain names as soon as they are registered each day.Learn more
Identify who is hosting a particular domain name or website.Learn more
Find out the exact physical location of any IP address, email or domain name.Learn more
Ensure the validity and quality of any email address.Learn more
We provide complete and relevant domain WHOIS data which can be customized and easily integrated as per your business needs.Learn more
Monitor exact matches, variations and common misspellings of your brand name & trademarks.Learn more
Find relations like ownership between hostnames and IPs.Learn more
Get full contacts data of the given domain.Learn more
Get the most relevant data to be ahead of emerging security threats.Learn more
Get well-parsed and normalized WHOIS information for any domain name, IP address or email.Learn more
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Reveal all the domains that use the same mail server.Learn more
Enhance your domain research toolkit by our enterprise-grade web-based solution that helps you in searching...Learn more
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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