Whois is described as 'WHOIS lets you search any generic domain to find out the registered domain owner and related information. It can also get information of any IP address. You can get data from more than 300 TLDs' and is an website in the Development category. There are more than 10 alternatives to Whois, not only websites but also apps for Windows and Self-Hosted solutions. The best alternative is JsonWhois.io, which is free. Other great sites and apps similar to Whois are WhoisAPI (Freemium), Domain Checker (Freemium), EZwhois (Free) and ICANN WHOIS (Free).
JsonWhois is the leading cloud hosted Whois API. The service serves WHOIS records for domains and IP addresses through a fully RESTful API. Additionally, the service offers IP geolocation and URL to screenshot services. Free usage per month!.
WhoisAPI is the premier provider of freshly parsed whois data for domain names and IP addresses, also providing IP to geolocation, HTML to PDF, and domain availability RESTful HTTP APIs. Billing is performed on a pay as you go basis, free monthly use.
Obtain domain name status information with this effective and intuitive application that allows you to batch process multiple entries. Domain Checker is a simple, but powerful whois lookup tool for users that require a domain availability analyzer.
Bulk Whois API is a provider of parsed WHOIS data in JSON with simple API, competitive pricing, and top notch support. We support all TLDs including new gTLDs as well as IP addresses. Spend no more than necessary to get WHOIS data for your business.
Active Whois Browser is useful network information utility what allow finding information about owners of internet domains and IP adresses. Lookup country, persons and postal adresses of who use domain or IP address.
DomainIndex.com provides domain data and appraisal services that help domainers make crucial business decisions. The company has evaluated more than 280,000 domain names using self-learning statistical models for its pricing index.