shell:$ nslookup -timeout=2 -retry=1 't.youku.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
t.youku.com	canonical name = t.youku.com.w.cdngslb.com.
Name:	t.youku.com.w.cdngslb.com
Address: 47.246.20.200
Name:	t.youku.com.w.cdngslb.com
Address: 47.246.20.196
Name:	t.youku.com.w.cdngslb.com
Address: 47.246.20.197
Name:	t.youku.com.w.cdngslb.com
Address: 47.246.20.202
Name:	t.youku.com.w.cdngslb.com
Address: 47.246.20.201
Name:	t.youku.com.w.cdngslb.com
Address: 47.246.20.199
Name:	t.youku.com.w.cdngslb.com
Address: 47.246.20.198
Name:	t.youku.com.w.cdngslb.com
Address: 47.246.20.203