shell:$ nslookup -timeout=2 -retry=1 'ec2-18-138-60-34.ap-southeast-1.compute.amazonaws.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	ec2-18-138-60-34.ap-southeast-1.compute.amazonaws.com
Address: 18.138.60.34