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: 3.5.67.7
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.92.1.82
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.92.16.170
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.67.205
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.67.240
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 52.92.19.250
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.66.217
Name:	s3-r-w.eu-west-1.amazonaws.com
Address: 3.5.66.38