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
spamhaus
Consolidated List of Pronounced RBLs (Real-time Black Lists) and Experiences in De-Listing
Update 08 March 2026 For many years (almost a decade) things have been mostly stable in the world of fighting spam and RBLs. The only