shell:$ nslookup -timeout=2 -retry=1 'amazon.com' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: Name: amazon.com Address: 98.87.170.74 Name: amazon.com Address: 98.87.170.71 Name: amazon.com Address: 98.82.161.185