shell:$ nslookup -timeout=2 -retry=1 'ec2-13-229-104-153.ap-southeast-1.compute.amazonaws.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	ec2-13-229-104-153.ap-southeast-1.compute.amazonaws.com
Address: 13.229.104.153