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: 3.5.149.176
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.149.138
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.148.124
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.147.55
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.146.141
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.147.112
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.151.220
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.149.165