Install unbound-host by entering the following commands in the terminal:
sudo apt update sudo apt install unbound-host
Description:
reimplementation of the 'host' command
This package provides the 'unbound-host' program that is bundled with the Unbound domain name server. This version differs from the one provided in the package called host, which is from NIKHEF, and bind9-host, which is from ISC, and has a similar but different set of features and options.
Homepage: https://www.unbound.net/
Version: 1.6.7-1ubuntu2
Section: universe/net