Win32Whois is a free, small and efficient tool that lets you retrieve registration information for a particular domain or website. It takes URL, hostname or IP address and will generate a detailed report listing all the available technical and contact information it can find. The generated report can be saved as a file or used to track down website owners, administrators or spammers.

Additional features:

• Build a detailed report for a domain/website or IP address
• Retrieve contact and DNS information
• Save report to a file
• Supports HTTP, SOCKS 4a/5 Proxies