iP or domain name lookup

mx1.chengmail.cn Server iP：

Current resolution：

domain resolution record：

2023-06-08-----2024-03-18 210.16.190.147

2023-06-08-----2024-03-18 113.10.158.179

2023-06-08-----2024-03-18 210.16.190.186

2024-03-18-----2024-03-18 210.16.190.184

2024-03-18-----2024-03-18 210.16.190.241

2016-11-17-----2022-06-24 103.214.56.14

2016-12-14-----2022-06-24 210.16.190.253

2019-09-30-----2019-10-09 23.234.54.113

2019-09-30-----2019-10-09 47.254.128.185

2016-11-17-----2016-12-13 210.16.190.244

2016-11-17-----2016-11-18 210.16.190.246