shell:$ nslookup -timeout=2 -retry=1 'fortumo-as-telenor.s3-ap-southeast-1.amazonaws.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
fortumo-as-telenor.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: 3.5.151.35
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 52.219.40.243
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 52.219.40.67
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.149.242
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.147.83
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.147.167
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 52.219.184.14
Name:	s3-r-w.ap-southeast-1.amazonaws.com
Address: 3.5.149.104