iP or domain name lookup

mail.wmu.edu.cn Server iP：

Current resolution：

domain resolution record：

2022-02-16-----2023-09-13 129.226.102.73

2022-11-19-----2023-09-13 112.90.80.101

2022-11-19-----2023-09-13 112.60.20.236

2023-09-12-----2023-09-13 109.244.184.102

2022-11-19-----2023-08-08 14.17.27.155

2021-05-05-----2021-05-05 121.51.130.237

2021-05-05-----2021-05-05 58.251.81.43

2021-05-05-----2021-05-05 121.51.8.59

2021-05-05-----2021-05-05 183.3.235.87

2021-05-05-----2021-05-05 203.205.253.154