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

Non-authoritative answer:
myteksi.s3-ap-southeast-1.amazonaws.com	canonical name = s3-r-w.ap-southeast-1.amazonaws.com.
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.149.87
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 52.219.132.255
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 52.219.129.90
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.151.219
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 52.219.125.118
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.148.55
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.151.132
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 52.219.37.39