iP or domain name lookup

bbs.rocrm.cn Server iP：

Current resolution：

domain resolution record：

2018-02-01-----2018-02-01 112.74.51.67

2017-04-17-----2017-04-17 42.236.94.249

2017-04-17-----2017-04-17 58.211.137.231

2017-04-17-----2017-04-17 117.34.14.231

2017-04-17-----2017-04-17 116.31.127.231

2017-04-17-----2017-04-17 119.167.246.249

2017-04-17-----2017-04-17 162.159.211.43

2017-03-29-----2017-03-29 122.190.3.245

2017-03-29-----2017-03-29 117.34.14.245

2017-03-29-----2017-03-29 58.211.137.245

2017-03-29-----2017-03-29 162.159.210.43

2017-03-29-----2017-03-29 119.167.246.252

2017-03-29-----2017-03-29 116.31.127.245

2017-03-29-----2017-03-29 42.236.94.252