iP or domain name lookup

bt.58.com Server iP：

Current resolution：

domain resolution record：

2020-09-02-----2021-11-01 115.159.231.124

2021-11-01-----2021-11-01 203.205.250.113

2021-06-11-----2021-07-25 203.205.137.55

2021-06-14-----2021-07-25 203.205.137.241

2021-07-25-----2021-07-25 203.205.136.87

2021-07-22-----2021-07-22 203.205.136.159

2021-06-11-----2021-06-11 203.205.137.26

2021-06-11-----2021-06-11 203.205.136.176

2020-10-13-----2020-10-13 203.205.159.21

2019-10-10-----2020-09-02 150.109.91.25

2019-07-09-----2019-10-10 123.206.235.102

2017-07-31-----2018-01-17 115.159.231.141

2017-08-26-----2017-09-04 115.159.231.179