The following is a tutorial on how to install and configure a DNS server:
MY SERVER SPECS:
root@ubuntu-DNSSVR:/home/tokunbo# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.2 LTS
In my setup, my server-IP is the same as my DNS-server IP:
iface enp0s3 inet static