shell:$ nslookup -timeout=2 -retry=1 'windows.weixin.qq.com'
;; communications error to 75.98.161.224#53: timed out
Server:		69.39.86.5
Address:	69.39.86.5#53

Non-authoritative answer:
windows.weixin.qq.com	canonical name = newcomm.weixin.qq.com.
newcomm.weixin.qq.com	canonical name = sznewcomm.weixin.qq.com.
Name:	sznewcomm.weixin.qq.com
Address: 43.163.178.94
Name:	sznewcomm.weixin.qq.com
Address: 43.163.181.74
Name:	sznewcomm.weixin.qq.com
Address: 240e:97c:2f:2::41
Name:	sznewcomm.weixin.qq.com
Address: 240e:97c:2f:2003::3