shell:$ nslookup -timeout=2 -retry=1 'www.wechatapp.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.wechatapp.com	canonical name = www.wechatapp.com.eo.dnse1.com.
Name:	www.wechatapp.com.eo.dnse1.com
Address: 43.159.94.110