shell:$ nslookup -timeout=2 -retry=1 'udns1.cscdns.net' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: udns1.cscdns.net Address: 204.74.66.1 Name: udns1.cscdns.net Address: 2001:502:f3ff::201