shell:$ nslookup -timeout=2 -retry=1 'www.udacity.com.cdn.cloudflare.net'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: www.udacity.com.cdn.cloudflare.net
Address: 104.18.42.98
Name: www.udacity.com.cdn.cloudflare.net
Address: 172.64.145.158
Name: www.udacity.com.cdn.cloudflare.net
Address: 2a06:98c1:3101::ac40:919e
Name: www.udacity.com.cdn.cloudflare.net
Address: 2a06:98c1:3108::6812:2a62
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