shell:$ nslookup -timeout=2 -retry=1 'tengein.taobao.org'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
tengein.taobao.org	canonical name = www.gslb.taobao.com.danuoyi.tbcache.com.
Name:	www.gslb.taobao.com.danuoyi.tbcache.com
Address: 47.246.20.221
Name:	www.gslb.taobao.com.danuoyi.tbcache.com
Address: 47.246.20.222