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

Non-authoritative answer:
entel.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: 16.15.178.204
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.216.86.187
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.217.45.28
Name:	s3-w.us-east-1.amazonaws.com
Address: 16.15.193.139
Name:	s3-w.us-east-1.amazonaws.com
Address: 54.231.136.1
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.217.227.177
Name:	s3-w.us-east-1.amazonaws.com
Address: 16.15.179.19
Name:	s3-w.us-east-1.amazonaws.com
Address: 16.15.180.216