iP or domain name lookup

051731.com Server iP：

Current resolution：

domain resolution record：

2017-05-10-----2017-05-10 121.31.30.169

2017-05-10-----2017-05-10 106.117.249.11

2017-05-10-----2017-05-10 106.117.249.13

2017-05-10-----2017-05-10 117.169.71.141

2017-05-10-----2017-05-10 14.204.144.173

2017-05-10-----2017-05-10 106.117.249.12

2017-05-10-----2017-05-10 139.215.203.174

2017-05-10-----2017-05-10 106.117.249.43

2017-05-10-----2017-05-10 110.53.180.198

2017-04-29-----2017-04-30 119.28.16.54