shell:$ nslookup -timeout=2 -retry=1 'dialog-dev-bucket.s3.ap-southeast-1.amazonaws.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
dialog-dev-bucket.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: 3.5.147.52
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.147.102
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.151.107
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 52.219.125.35
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.147.15
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.149.241
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.149.177
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.151.254