shell:$ nslookup -timeout=2 -retry=1 'feedmob-cdn.s3.amazonaws.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
feedmob-cdn.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: 16.15.178.235
Name:	s3-w.us-east-1.amazonaws.com
Address: 3.5.8.150
Name:	s3-w.us-east-1.amazonaws.com
Address: 54.231.160.33
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.217.115.145
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.216.217.209
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.217.123.201
Name:	s3-w.us-east-1.amazonaws.com
Address: 3.5.27.184
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.216.218.169