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

Non-authoritative answer:
www.youku.com	canonical name = ipv6-aserver-heyi.m.taobao.com.
ipv6-aserver-heyi.m.taobao.com	canonical name = ipv6-aserver-heyi.m.taobao.com.gds.alibabadns.com.
Name:	ipv6-aserver-heyi.m.taobao.com.gds.alibabadns.com
Address: 47.246.99.161
Name:	ipv6-aserver-heyi.m.taobao.com.gds.alibabadns.com
Address: 2408:4001:f10::8