shell:$ nslookup -timeout=2 -retry=1 'ec2-15-206-129-91.ap-south-1.compute.amazonaws.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	ec2-15-206-129-91.ap-south-1.compute.amazonaws.com
Address: 15.206.129.91