shell:$ nslookup -timeout=2 -retry=1 'a306.b.akamai.net' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: a306.b.akamai.net Address: 23.223.17.166 Name: a306.b.akamai.net Address: 23.223.17.172