shell:$ nslookup -timeout=2 -retry=1 'sme-portal-assets.s3.eu-west-1.amazonaws.com'
Server:		75.98.161.224
Address:	75.98.161.224#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: 3.5.67.194
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.92.18.2
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.72.129
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.72.195
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.71.201
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.92.19.2
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.68.59
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.66.22