shell:$ nslookup -timeout=2 -retry=1 'cdn.s3.amazonaws.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
cdn.s3.amazonaws.com	canonical name = s3-ap-southeast-1-w.amazonaws.com.
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.151.226
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 52.219.184.21
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 52.219.36.56
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.147.60
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 52.219.132.188
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.149.16
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.149.123
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.151.203