shell:$ nslookup -timeout=2 -retry=1 'resolver1.opendns.com' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: Name: resolver1.opendns.com Address: 208.67.222.222 Name: resolver1.opendns.com Address: 2620:119:35::35