iP or domain name lookup

mail.sysucc.org.cn Server iP：

Current resolution：

domain resolution record：

2021-01-20-----2023-09-12 81.71.56.226

2021-01-20-----2023-09-12 112.90.80.23

2021-01-20-----2023-09-12 129.226.106.19

2021-01-20-----2023-04-11 14.17.5.207

2021-01-20-----2021-01-20 112.53.42.14

2019-12-11-----2020-12-27 183.232.94.57

2019-12-11-----2020-12-27 163.177.89.176

2019-12-11-----2020-12-27 113.96.233.160

2020-05-16-----2020-12-27 121.51.176.76

2019-12-11-----2020-04-03 182.254.38.92