iP or domain name lookup

mc.qianyumc.win Server iP：

Current resolution：

domain resolution record：

2017-05-16-----2017-05-16 180.143.119.147

2017-05-11-----2017-05-11 113.17.31.184

2017-04-30-----2017-04-30 113.17.31.52

2017-04-28-----2017-04-29 171.105.29.144

2017-04-28-----2017-04-28 121.31.165.253

2017-04-21-----2017-04-21 180.143.117.49

2017-04-12-----2017-04-12 180.143.117.140

2017-04-05-----2017-04-05 171.105.28.180

2017-01-08-----2017-01-08 180.143.117.184

2017-01-07-----2017-01-07 121.31.153.35

2017-01-07-----2017-01-07 171.109.216.28

2017-01-07-----2017-01-07 171.109.219.71

2017-01-07-----2017-01-07 121.31.156.41