shell:$ nslookup -timeout=2 -retry=1 'sme-portal-assets.s3.eu-west-1.amazonaws.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
sme-portal-assets.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: 3.5.75.76
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.66.3
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.66.9
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.92.34.146
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.92.1.2
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.69.12
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.75.70
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.92.35.186