Install whois by entering the following commands in the terminal:
sudo apt update sudo apt install whois
Description:
intelligent WHOIS client
This package provides a commandline client for the WHOIS (RFC 3912) protocol, which queries online servers for information such as contact details for domains and IP address assignments. It can intelligently select the appropriate WHOIS server for most queries. . The package also contains mkpasswd, a features-rich front end to the password encryption function crypt(3).
Version: 5.3.0
Section: net