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

Non-authoritative answer:
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 52.219.125.3
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.149.132
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.151.112
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 52.219.128.23
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 52.219.164.190
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.149.80
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.151.229
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.146.255