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

Non-authoritative answer:
pinterest-waterloo.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: 52.216.216.233
Name:	s3-w.us-east-1.amazonaws.com
Address: 16.15.185.26
Name:	s3-w.us-east-1.amazonaws.com
Address: 3.5.8.134
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.217.38.28
Name:	s3-w.us-east-1.amazonaws.com
Address: 16.15.177.130
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.216.222.57
Name:	s3-w.us-east-1.amazonaws.com
Address: 52.217.102.20