May 22, 2012 - May 04, 2014
| Name | First Seen |
|---|
| Name | First Seen | Last Seen |
|---|---|---|
| ns1.zhangjiakang.com | Apr 14, 2013 | May 04, 2014 |
| ns2.zhangjiakang.com | Apr 14, 2013 | May 04, 2014 |
| ns2.zhangjiakang.com | May 22, 2012 | Nov 07, 2012 |
| ns1.zhangjiakang.com | May 22, 2012 | Nov 07, 2012 |