iP or domain name lookup

pan.cnxsg.net Server iP：

Current resolution：

domain resolution record：

2017-05-31-----2017-06-01 47.52.37.172

2017-03-07-----2017-03-08 117.169.71.141

2017-02-28-----2017-03-07 110.53.180.198

2017-02-28-----2017-03-07 106.117.249.100

2017-02-28-----2017-03-07 117.169.71.146

2017-02-28-----2017-03-07 139.215.203.174

2017-02-28-----2017-03-07 111.13.3.44

2017-03-07-----2017-03-07 121.29.54.111

2017-02-28-----2017-02-28 111.47.223.35

2017-02-15-----2017-02-15 121.196.196.169