shell:$ nslookup -timeout=2 -retry=1 'vastamweb.s3.amazonaws.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
vastamweb.s3.amazonaws.com	canonical name = s3-1-w.amazonaws.com.
s3-1-w.amazonaws.com	canonical name = s3-w.us-east-1.amazonaws.com.
Name:	s3-w.us-east-1.amazonaws.com
Address: 3.5.10.138
Name:	s3-w.us-east-1.amazonaws.com
Address: 3.5.7.141
Name:	s3-w.us-east-1.amazonaws.com
Address: 16.182.96.249
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.216.40.105
Name:	s3-w.us-east-1.amazonaws.com
Address: 3.5.12.168
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.217.129.9
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.216.220.217
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.217.75.132