shell:$ nslookup -timeout=2 -retry=1 'au-freshcaller-attachments.s3-ap-southeast-2.amazonaws.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
au-freshcaller-attachments.s3-ap-southeast-2.amazonaws.com	canonical name = s3-r-w.ap-southeast-2.amazonaws.com.
Name:	s3-r-w.ap-southeast-2.amazonaws.com
Address: 3.5.168.33
Name:	s3-r-w.ap-southeast-2.amazonaws.com
Address: 3.5.169.117
Name:	s3-r-w.ap-southeast-2.amazonaws.com
Address: 3.5.169.157
Name:	s3-r-w.ap-southeast-2.amazonaws.com
Address: 3.5.165.146
Name:	s3-r-w.ap-southeast-2.amazonaws.com
Address: 3.5.169.145
Name:	s3-r-w.ap-southeast-2.amazonaws.com
Address: 3.5.167.228
Name:	s3-r-w.ap-southeast-2.amazonaws.com
Address: 3.5.164.208
Name:	s3-r-w.ap-southeast-2.amazonaws.com
Address: 3.5.167.143