iP or domain name lookup

ybks.cn Server iP：

Current resolution：

domain resolution record：

2019-10-09-----2019-10-09 104.149.115.125

2018-06-22-----2018-06-22 47.90.43.141

2018-03-10-----2018-03-10 103.24.205.97

2017-08-29-----2017-08-30 104.160.171.89

2017-07-28-----2017-07-28 170.178.178.39

2017-07-04-----2017-07-05 104.160.171.83

2017-06-21-----2017-06-21 104.160.171.82

2017-06-20-----2017-06-20 170.178.178.45

2017-03-28-----2017-03-31 103.241.230.138

2017-03-28-----2017-03-31 103.241.230.140

2017-03-28-----2017-03-31 103.241.230.135

2017-03-28-----2017-03-31 103.241.230.137