Question: how to configure dns name server in ubuntu linux 16.04?
Answer: Prerequisites. A fresh Alibaba Cloud Ubuntu 16.04 instance. ... 
Launch Alibaba Cloud ECS Instance. First, log in to your Alibaba Cloud ECS Console. ... 
Install BIND 9. By default, BIND 9 is available in the Ubuntu 16.04 default repository. ... 
Configure BIND 9. ... 
Configure Forward and Reverse Lookup Zone. ... 
Test BIND 9 DNS Server.