shell:$ nslookup -timeout=2 -retry=1 'push-rest.zui.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
push-rest.zui.com	canonical name = push-rest.mbgcdn.lenovo.com.cn.
push-rest.mbgcdn.lenovo.com.cn	canonical name = push-rest-baoyue.mbgcdn.lenovo.com.cn.
Name:	push-rest-baoyue.mbgcdn.lenovo.com.cn
Address: 43.137.76.149