shell:$ nslookup -timeout=2 -retry=1 'vtv.vn' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: vtv.vn Address: 123.30.151.68 Name: vtv.vn Address: 14.225.10.7 Name: vtv.vn Address: 14.225.199.134