How to configure DNS Server (Bind 9) on Ubuntu LTS18.04

Add to favoritesHow to configure DNS SERVER WITH “Bind 9″
on Ubuntu Linux (LTS18.04)
ex) “Linux Hint” https://linuxhint.com/install_bind9_ubuntu/

Add to favoritesex) “Linux Hint” https://linuxhint.com/install_bind9_ubuntu/