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

Non-authoritative answer:
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.148.145
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.151.154
Name:	s3.ap-southeast-1.amazonaws.com
Address: 52.219.40.238
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.149.175
Name:	s3.ap-southeast-1.amazonaws.com
Address: 52.219.128.90
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.146.54
Name:	s3.ap-southeast-1.amazonaws.com
Address: 52.219.132.170
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.147.35