shell:$ nslookup -timeout=2 -retry=1 'webfile.adview.cn'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
webfile.adview.cn	canonical name = webfile.adview.cn.w.kunlunar.com.
Name:	webfile.adview.cn.w.kunlunar.com
Address: 163.181.60.203