Lookup Tools is described as 'Get whois for all GTLD and CCTLD and also access to free Phone, NS, IP, Email and owner reverse whois data'. There are more than 10 alternatives to Lookup Tools, not only websites but also apps for Windows and Self-Hosted solutions. The best alternative is DomainTools, which is free. Other great sites and apps similar to Lookup Tools are WebCargo (Paid), JsonWhois.io (Freemium), WhoisAPI (Freemium) and Domain Checker (Freemium).
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.
Online-Domain-Tools.com makes your online life easier and happier. Various domain tools, network tools, web and browser tools, security and privacy tools, data and conversion tools, and coders tools are ready to be used immediately.