Linux Babe published a tutorial about setting up a BIND authoritative DNS server on CentOS 8 or RHEL 8.

Set Up BIND Authoritative DNS Server on CentOS 8/RHEL 8

This tutorial shows you how to set up and run your own authoritative name server on CentOS 8/RHEL 8 with the widely-used BIND 9 software.

Set Up BIND Authoritative DNS Server on CentOS 8/RHEL 8