shell:$ nslookup -timeout=2 -retry=1 'res-dom.iana.org' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: Name: res-dom.iana.org Address: 192.0.43.12 Name: res-dom.iana.org Address: 2001:500:88:200::12