All WHOIS history lookup results cover key data points, including:
Our WHOIS history solutions provide more than 10 years’ worth of data, made possible by extensive data crawling. In fact, we have WHOIS records that date as far back as 2010.
You can send up to 30 requests per second. When you reach this limit, your succeeding requests won’t be processed until the next second.
We offer a one-time purchase package as well as monthly and yearly subscription plans. You can also customize your plan according to your business needs. Check out our pricing page for more information.
You can subscribe to any of our WHOIS history solutions using any major credit card or PayPal. If you want to pay using Bitcoin, wire transfer, check, or other payment methods, drop us an email at or fill up the contact form at the bottom of our pricing page.
Yes. You just have to sign up for a free subscription plan to avail of 500 free credits per month. You can get started here.
Our WHOIS history database is one of if not the largest repository of historical WHOIS ownership data. To date, we have more than 10.1 billion WHOIS records spanning 2,864 top-level domains (TLDs). We partner with various registrars to ensure the accuracy and relevance of our data. These partnerships enable us to track more than 582 million domain names to date.
Every API call costs 50 Domain Research Suite (DRS) credits, and each subscription plan has different available DRS credits per month. You can check our various subscription plans and their corresponding limits to see which suits your usage requirements. Your credits are replenished at the beginning of each month.
CAPTCHA requests allow us to ensure that our WHOIS history lookup solutions are not abused by automated web scraping services. Aside from violating our terms of service, using automated scrapers negatively impact other users. As such, we may ask you to take a CAPTCHA test once in a while to ensure that a real human being is making a request.
Many professionals find WHOIS history data relevant, including:
Yes. You can combine WHOIS history with reverse WHOIS lookups using the Domain Research Suite (DRS) to identify all other domains that have historically shared the domain in question’s registrant, organization, or contact details (e.g., email address, phone number, etc.).
Our product page shows more information on the advantages of looking into historical domain records.
Check out our specifications page for technical information about using WHOIS History API. For answers to additional questions, you may reach out to any of our team members by dropping us an email at:
Various support tiers, including Premium Support which gives you access to our call center support team members, are also available.