shell:$ nslookup -timeout=2 -retry=1 'ais.th.viu.com' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: Name: ais.th.viu.com Address: 13.250.149.57 Name: ais.th.viu.com Address: 13.228.247.81 Name: ais.th.viu.com Address: 13.228.62.213