nic.taobao	IN	A	47.89.16.36
nic.taobao	IN	NS	a0.nic.taobao
nic.taobao	IN	NS	a2.nic.taobao
nic.taobao	IN	NS	b0.nic.taobao
nic.taobao	IN	NS	c0.nic.taobao