This utility doesn't require any
installation process or additional DLLs. Just put the executable file (WhoisTD.exe)
anywhere you like, and run it.
When running WhoisThisDomain utility, the "Choose Domains" window
appears. You can type a single domain, or multiple domains separated by
commas, space characters, or enter characters. After pressing the 'OK'
button, WhoisThisDomain start to retrieve the WHOIS records for the
domains that you typed.