1)   Atomic Whois Explorer 2.50
Atomic Whois Explorer is designed to search through global WHOIS database to extract owners' personal data. Current version of the program is capable of retrieving all contact e-mail addresses, phone and fax numbers, country name and expiration dates

 2)   HostInfo 2.1
HostInfo is a software product designed to retrieve domain and network information about internet-hosts and IP addresses (owner name, contact information, DNS servers, etc.).