shell:$ nslookup -timeout=2 -retry=1 'dpztrtwb.yangsmart.com' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: dpztrtwb.yangsmart.com canonical name = neo.paixif.com. Name: neo.paixif.com Address: 149.18.45.77