shell:$ nslookup -timeout=2 -retry=1 'c0.nic.io' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: Name: c0.nic.io Address: 65.22.162.17 Name: c0.nic.io Address: 2a01:8840:a0::17