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: 3.5.151.64
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 52.219.129.7
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.149.242
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.147.8
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.147.94
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.149.21
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.147.6
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.147.88