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: 16.15.183.51
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.217.202.1
Name:	s3-w.us-east-1.amazonaws.com
Address: 3.5.20.195
Name:	s3-w.us-east-1.amazonaws.com
Address: 16.182.68.209
Name:	s3-w.us-east-1.amazonaws.com
Address: 3.5.28.89
Name:	s3-w.us-east-1.amazonaws.com
Address: 16.15.223.178
Name:	s3-w.us-east-1.amazonaws.com
Address: 3.5.1.111
Name:	s3-w.us-east-1.amazonaws.com
Address: 3.5.1.13