shell:$ nslookup -timeout=2 -retry=1 'server-18-66-255-71.mia3.r.cloudfront.net' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: Name: server-18-66-255-71.mia3.r.cloudfront.net Address: 18.66.255.71