shell:$ nslookup -timeout=2 -retry=1 'insider-data-export.s3.eu-west-1.amazonaws.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
insider-data-export.s3.eu-west-1.amazonaws.com	canonical name = s3-r-w.eu-west-1.amazonaws.com.
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.66.3
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.72.105
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.92.34.186
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.71.77
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.92.36.74
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.67.192
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.92.34.106
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.69.44