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: 3.5.69.128
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.92.4.34
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.66.210
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.68.157
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.70.127
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.218.0.120
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.69.181
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.64.46