shell:$ nslookup -timeout=2 -retry=1 'server-52-85-132-34.iad50.r.cloudfront.net' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: Name: server-52-85-132-34.iad50.r.cloudfront.net Address: 52.85.132.34