iP or domain name lookup

mail.189.cn Server iP：

Current resolution：

domain resolution record：

2016-11-16-----2022-11-22 183.61.185.85

2019-03-22-----2022-11-22 47.244.52.209

2019-07-05-----2022-11-22 47.75.143.182

2021-08-12-----2021-12-06 58.254.141.243

2021-11-10-----2021-12-06 58.254.141.242

2021-07-30-----2021-11-25 58.254.141.244

2019-03-02-----2021-08-31 47.254.17.28

2021-07-30-----2021-08-12 58.254.141.241

2016-12-14-----2021-06-07 221.5.100.192

2016-12-14-----2021-06-07 221.5.100.207

2016-11-16-----2020-04-21 121.14.53.129

2016-11-16-----2020-04-21 121.14.53.137

2019-10-18-----2020-03-16 47.244.111.3

2019-07-10-----2019-10-26 47.254.39.88

2018-12-17-----2018-12-17 52.76.155.228

2018-12-17-----2018-12-17 52.76.222.29

2018-11-13-----2018-11-28 52.8.239.192

2016-11-16-----2016-11-28 218.107.61.90

2016-11-16-----2016-11-28 218.107.61.84