iP or domain name lookup

smtp.189.cn Server iP：

Current resolution：

domain resolution record：

2019-06-24-----2023-12-18 47.75.143.182

2019-07-20-----2023-12-18 47.244.52.209

2015-12-30-----2023-01-04 183.61.185.68

2019-07-14-----2022-04-23 14.116.139.30

2021-06-17-----2021-12-07 58.254.141.244

2021-06-17-----2021-12-07 58.254.141.241

2021-06-17-----2021-12-07 58.254.141.243

2021-06-17-----2021-12-07 58.254.141.242

2017-01-06-----2021-06-07 221.5.100.203

2019-07-14-----2021-06-07 47.254.17.28

2017-03-03-----2021-05-12 221.5.100.202

2017-03-24-----2021-05-12 221.5.100.201

2017-01-06-----2020-04-18 221.5.100.200

2019-11-01-----2020-01-19 47.244.111.3

2019-08-06-----2019-08-20 47.254.39.88

2015-12-30-----2016-11-18 218.107.61.93

2015-12-30-----2016-11-14 218.107.61.90