iP or domain name lookup

tradesmarter.cn Server iP：

Current resolution：

domain resolution record：

2020-06-04-----2021-04-25 172.67.197.168

2021-02-14-----2021-04-25 104.21.21.97

2019-07-06-----2020-06-04 104.31.74.115

2019-07-06-----2020-06-04 104.31.75.115

2017-09-01-----2018-01-22 104.20.48.43

2018-01-07-----2018-01-22 104.20.47.43

2017-03-20-----2017-09-01 119.9.70.206