How can i configure custom nameserver to domain provider?

now 53 added check again


Nmap scan report for 140.245.16.10
Host is up (0.00040s latency).
Not shown: 994 filtered tcp ports (no-response)
PORT      STATE SERVICE
22/tcp    open  ssh
53/tcp    open  domain
80/tcp    open  http
443/tcp   open  https
10000/tcp open  snet-sensor-mgmt
20000/tcp open  dnp