iP or domain name lookup

mail.bitekj.com.cn Server iP：

Current resolution：

domain resolution record：

2019-07-13-----2021-07-14 49.51.248.67

2021-01-02-----2021-07-14 103.214.56.50

2021-01-15-----2021-07-14 47.254.76.217

2021-03-23-----2021-07-14 47.254.81.124

2021-07-14-----2021-07-14 192.126.121.236

2019-06-05-----2020-12-29 103.214.56.13

2020-09-03-----2020-12-29 47.254.65.89

2020-09-03-----2020-12-29 47.89.246.67

2019-06-05-----2020-08-30 23.234.54.138

2020-07-10-----2020-08-30 23.234.54.190

2019-06-05-----2019-06-05 210.209.68.108