Set Up Authoritative DNS Server on Ubuntu 18.04, 16.04 with BIND9

This tutorial will be showing you how to set up and run your own authoritative name server on Ubuntu 18.04/16.04 with the widely-used BIND 9 software.

What’s An Authoritative DNS Server?

If you own a domain name and want your own DNS server to handle name resolution for your domain name instead of using your domain registrar’s DNS server, then you will need to set up an authoritative DNS server.

An authoritative DNS server is used by domain name owners to store DNS records. It provides authoritative answers to DNS resolvers (like 8.8.8.8 or 1.1.1.1), which query DNS records on behalf of end users on PC, smartphone or tablet.

Read full tutorial here: https://www.linuxbabe.com/ubuntu/set-up-authoritative-dns-server-ubuntu-18-04-bind9