iP or domain name lookup

dg.epocu.cn Server iP：

Current resolution：

domain resolution record：

2017-03-19-----2017-04-05 162.159.209.21

2017-04-05-----2017-04-05 117.34.14.217

2017-04-05-----2017-04-05 58.211.137.217

2017-04-05-----2017-04-05 42.236.94.245

2017-04-05-----2017-04-05 122.190.3.217

2017-04-05-----2017-04-05 116.31.127.217

2017-03-19-----2017-03-19 125.39.174.131

2017-03-19-----2017-03-19 58.211.137.131

2017-03-19-----2017-03-19 116.31.127.131

2017-03-19-----2017-03-19 42.236.94.224

2017-03-19-----2017-03-19 101.71.56.131

2017-03-17-----2017-03-17 122.190.3.191

2017-03-14-----2017-03-16 106.38.208.123

2017-03-16-----2017-03-16 116.31.127.191

2017-03-16-----2017-03-16 162.159.208.21

2017-03-16-----2017-03-16 42.236.94.239

2017-03-16-----2017-03-16 125.39.174.191

2017-03-16-----2017-03-16 117.34.14.191

2017-03-16-----2017-03-16 58.211.137.191

2017-03-16-----2017-03-16 101.71.56.191