We designed our WHOIS history product line for easy and varied access to our archive of 16.7B+ WHOIS records with domain history ownership data via Lookup, API calls, or Database Download.
500 free API credits. No credit card required.
Check historical WHOIS records of domain names in one click with our web interface.
You can keep track of how a domain’s ownership has evolved using API calls to supplement existing systems and applications.
Get bulk access to billions of historical WHOIS records. Download a free sample.
Investigate domain history ownership in-depth and much more using the capabilities of our Domain Research Suite (DRS) dashboard.
Our WHOIS History product line relies on a comprehensive WHOIS database that contains billions of current and historical domain records. Our domain intelligence is continuously updated with the latest registration occurrences.
Besides the breadth of records contained in our WHOIS database, our data offers depth with all relevant data points you might need to check domain ownership and registrar history with precision.
The WHOIS history of a domain name is also referred to as domain ownership history. It consists of the list of the domain's past owners, their address and contact information, and other registration details, as shown in WHOIS records.
Integrate historical WHOIS records to your security platforms to better manage attack surfaces.
Identify anomalies in historical WHOIS records as part of risk assessment strategies.
Don’t let domain names with a checkered past interfere with your marketing activities.
Enrich your customer profiles with access to WHOIS information prior to redaction.
Check a domain’s past before purchasing or selling it.
Make more informed domain transfer and monitor changes in WHOIS records.
Look for clues in WHOIS history records, including cybercriminals’ identifiable information.
Use domain history records as part of your fraud prevention techniques.
Learn more about the domains that pertain to or once pertained to your competitors, customers, and other industry players.
Our oldest WHOIS records date back to 2010.
Yes, each record is unique and added to our database as a result of a change in a domain’s WHOIS recorded data.
Yes, we offer 10 free WHOIS History queries upon signup. You can check our pricing and plans for more credits.
We have possibly the largest WHOIS history database with 16.7B+ WHOIS records across 7,596 TLDs. We have partnerships with most major registrars to keep our data fresh and accurate.
Go ahead and sign up to use your free credits right away for WHOIS History Lookup and WHOIS History Search. Use your unique API key and access our code libraries for easy integration.
“WhoisXML API is amazing for checking out the historic registration information of a domain, pivoting to locate the alternate registrations with the same details and also my cyber investigations. The data proved very useful when investigating pig butchering scams and domains that host child abuse material.”
“Very useful for investigations, we can go back in history and see when domains were registered and who owned them at a certain time.”
“WhoisXML API builds out data sets that help users correlate attack infrastructure with related IP and WHOIS information.”