iP or domain name lookup

yufarm.cn Server iP：

Current resolution：

domain resolution record：

2019-06-13-----2019-08-26 42.51.204.133

2018-03-11-----2018-03-11 42.236.94.148

2018-03-11-----2018-03-11 117.34.14.148

2018-03-11-----2018-03-11 59.51.81.228

2018-03-11-----2018-03-11 162.159.208.18

2018-03-11-----2018-03-11 58.211.137.148

2017-05-17-----2017-05-17 116.31.127.186

2017-05-17-----2017-05-17 162.159.209.18

2017-05-17-----2017-05-17 58.211.137.186

2017-05-17-----2017-05-17 117.34.14.186

2017-05-17-----2017-05-17 42.236.94.238

2017-05-17-----2017-05-17 122.190.3.186