shell:$ nslookup -timeout=2 -retry=1 'help.wechat.com' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: help.wechat.com canonical name = help.wechat.com.eo.dnse1.com. Name: help.wechat.com.eo.dnse1.com Address: 43.159.94.110