How to make a Virtualmin server (Ubuntu) a recursive DNS server
You might want to bring up your own name servers if you want to use Spamhaus that doesn’t like open resolvers like 1.1.1.1 Steps Check
named
Turning off bind named recursion on a CentOS server and so avoiding an open resolver
Turning off recursion in Bind is incredibly tricky across RedHat versus Ubuntu distributions. The reason for this is there are so many directories and configuration