shell:$ nslookup -timeout=2 -retry=1 'wx2.qq.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	wx2.qq.com
Address: 43.159.235.194
Name:	wx2.qq.com
Address: 240e:ff:f100:1007::6d