shell:$ nslookup -timeout=2 -retry=1 '4.icanhazip.com' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: Name: 4.icanhazip.com Address: 104.16.184.241 Name: 4.icanhazip.com Address: 104.16.185.241