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

Non-authoritative answer:
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.149.164
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.149.109
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.151.113
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.147.80
Name:	s3.ap-southeast-1.amazonaws.com
Address: 52.219.40.238
Name:	s3.ap-southeast-1.amazonaws.com
Address: 52.219.184.48
Name:	s3.ap-southeast-1.amazonaws.com
Address: 52.219.132.50
Name:	s3.ap-southeast-1.amazonaws.com
Address: 3.5.147.28