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

Non-authoritative answer:
core-ruangguru.s3.amazonaws.com	canonical name = s3-ap-southeast-1-w.amazonaws.com.
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.147.237
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.151.86
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 16.15.49.216
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 52.219.41.12
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.149.57
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 16.15.52.163
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 52.219.132.160
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 52.219.124.124