shell:$ nslookup -timeout=2 -retry=1 'epass.icbc.com.cn' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: Name: epass.icbc.com.cn Address: 117.184.157.124 Name: epass.icbc.com.cn Address: 240e:e5:8001:1600::61