shell:$ nslookup -timeout=2 -retry=1 'server-3-164-85-6.mrs53.r.cloudfront.net' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: Name: server-3-164-85-6.mrs53.r.cloudfront.net Address: 3.164.85.6