This video explains the following topics. What a caching-only DNS server is. How to install a caching-only DNS server. How to configure, test, verify, and manage a caching-only DNS server. What a forwarding-only DNS server is. How to install a forwarding -only DNS server. How to configure, test, verify, and manage a forwarding-only DNS server. How to debug when the named service does not start How to use the rndc command How to view DNS cache data How to flush DNS cache data How manage DNS cache data How to configure the forwarder option in the /etc/named.conf file How to configure the forward only option in the /etc/named.conf file How to configure the allow query from option in the /etc/named.conf file How to configure the allow query on option in the /etc/named.conf file This video is based on the following tutorials. How to configure a caching only name server https://www.computernetworkingnotes.com/linux-tutorials/how-to-configure-a-caching-only-name-server.html How to configure DNS Forwarding and a forwarder name server https://www.computernetworkingnotes.com/linux-tutorials/how-to-configure-dns-forwarding-and-a-forwarder-name-server.html Related videos How to Configure a local YUM repository on RHEL for RHCE exam practice using the Installation Disk https://www.youtube.com/watch?v=EE0w7QmwwGA DNS Server and Query Types Explained with Examples https://www.youtube.com/watch?v=JHU9ARxzKAo The nmtui, nmtui-edit, nmtui-connect, and nmtui-hostname commands on Linux Explained with Examples https://www.youtube.com/watch?v=qsuUSxWEeIs How to Setup a virtual RHCSA / RHCE lab on VMware Workstation and VirtualBox https://www.youtube.com/watch?v=rS3vOFl6B0A