iP or domain name lookup

mail.cyu.edu.cn Server iP：

Current resolution：

domain resolution record：

2025-02-13-----2025-02-13 129.226.102.73

2025-02-13-----2025-02-13 14.17.27.155

2025-02-13-----2025-02-13 112.90.80.101

2025-02-13-----2025-02-13 112.60.20.236

2021-01-27-----2023-09-13 129.226.106.19

2021-01-27-----2023-09-13 112.90.80.23

2021-01-27-----2021-02-24 81.71.56.226

2021-01-27-----2021-02-24 112.53.42.14

2021-01-27-----2021-02-24 14.17.5.207

2019-06-16-----2019-07-25 183.232.94.57

2019-06-16-----2019-07-25 163.177.89.176

2019-07-04-----2019-07-25 113.96.233.160

2019-07-04-----2019-07-25 182.254.38.92