iP or domain name lookup

mail.nwnu.edu.cn Server iP：

Current resolution：

domain resolution record：

2022-05-03-----2023-09-13 129.226.106.19

2022-05-03-----2023-09-13 112.90.80.23

2022-05-03-----2022-05-04 81.71.56.226

2022-05-03-----2022-05-04 112.53.42.14

2022-05-03-----2022-05-04 14.17.5.207

2019-12-30-----2020-12-30 163.177.89.176

2019-12-30-----2020-12-30 183.232.94.57

2019-12-30-----2020-12-30 113.96.233.160

2020-12-30-----2020-12-30 121.51.176.76

2019-12-30-----2019-12-30 182.254.38.92

2019-09-22-----2019-10-19 210.26.111.20