iP or domain name lookup

1.xjzbhcp.sinaapp.com Server iP：

Current resolution：

domain resolution record：

2016-12-02-----2018-08-24 221.179.190.241

2016-12-02-----2017-04-05 202.108.35.224

2016-12-02-----2017-04-05 202.108.35.225

2017-01-18-----2017-04-05 220.181.136.27

2017-03-18-----2017-04-05 220.181.136.43

2016-12-22-----2017-03-18 221.179.190.242

2016-12-02-----2017-01-26 220.181.136.41

2016-12-02-----2017-01-26 220.181.136.30

2017-01-18-----2017-01-26 220.181.136.55