iP or domain name lookup

idc.mcnh.club Server iP：

Current resolution：

domain resolution record：

2017-08-08-----2017-09-04 162.159.210.93

2017-09-04-----2017-09-04 58.211.137.188

2017-09-04-----2017-09-04 42.236.94.188

2017-09-04-----2017-09-04 59.51.81.237

2017-09-04-----2017-09-04 117.34.14.188

2017-09-04-----2017-09-04 162.159.211.93

2017-09-04-----2017-09-04 115.231.187.188

2017-08-17-----2017-08-20 59.51.81.233

2017-08-17-----2017-08-20 58.211.137.171

2017-08-17-----2017-08-20 117.34.14.171

2017-08-17-----2017-08-20 42.236.94.171

2017-08-20-----2017-08-20 115.231.187.171

2017-08-18-----2017-08-18 101.71.56.171

2017-08-08-----2017-08-09 116.31.127.156

2017-08-08-----2017-08-09 58.211.137.156

2017-08-08-----2017-08-08 117.34.14.156

2017-08-08-----2017-08-08 42.236.94.156

2017-08-08-----2017-08-08 59.51.81.229