shell:$ nslookup -timeout=2 -retry=1 'ns1.afrinic.net' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: ns1.afrinic.net Address: 196.216.2.1 Name: ns1.afrinic.net Address: 2001:42d0::200:2:1