shell:$ nslookup -timeout=2 -retry=1 'dev-m.gcash.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
dev-m.gcash.com	canonical name = dev-m.gcash.com.s3.amazonaws.com.
dev-m.gcash.com.s3.amazonaws.com	canonical name = s3-ap-southeast-1-w.amazonaws.com.
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.147.49
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.147.82
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.149.92
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.149.236
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.149.114
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.149.181
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 52.219.132.180
Name:	s3-ap-southeast-1-w.amazonaws.com
Address: 3.5.147.7