iP or domain name lookup

cy-wl.cn Server iP：

Current resolution：

domain resolution record：

2017-04-04-----2017-04-20 104.31.177.10

2017-04-07-----2017-04-20 116.31.127.238

2017-04-07-----2017-04-20 117.34.14.238

2017-04-07-----2017-04-20 119.167.246.250

2017-04-07-----2017-04-20 42.236.94.250

2017-04-07-----2017-04-20 58.211.137.238

2017-04-20-----2017-04-20 101.71.56.238

2017-04-04-----2017-04-04 42.236.94.252

2017-04-04-----2017-04-04 116.31.127.245

2017-04-04-----2017-04-04 58.211.137.245

2017-04-04-----2017-04-04 117.34.14.245