This utility is a GUI alternative to the NSLookup tool that comes with Windows operating system. It allows you to easily retrieve the DNS records (MX, NS, A, SOA) of the specified domains. You can use the default DNS server of your Internet connection, or use any other DNS server that you specify. After retrieving the DNS records for the desired domains, you can save them into text/xml/html/csv file.
IPInfoOffline
IPInfoOffline Allows you to view information about IP addresses, without connecting any external server. It uses a compressed IP addresses database that is stored inside the exe file.
For each IP address, the following information is displayed: IP block range, Organization (RIPE, ARIN, APNIC, LACNIC or AFRINIC), Assigned Date, Country Name, and Country Code. After retrieving the information about the desired IP addresses, You can copy the information to the clipboard, or save it into text/html/xml/csv file.
WhosIP
WhosIP is a simple command-line utility that allows you to easily find all available information about an IP address: The owner of the IP address, the country/state name, IP addresses range, contact information (address, phone, fax, and email), and more.
(WhosIP is a console version for IPNetInfo utility)
WhoisCL
WhoisCL is a simple command-line utility that allows you to easily get information about a registered domain. It automatically connect to the right WHOIS server, according to the top-level domain name, and retrieve the WHOIS record of the domain.
It supports both generic domains and country code domains.
(WhoisCL is a console version for WhoisThisDomain utility)