iP or domain name lookup

svpn.hznu.edu.cn Server iP：

Current resolution：

domain resolution record：

2023-11-01-----2024-04-18 172.31.222.102

2021-03-16-----2023-10-13 172.31.151.6

2023-05-31-----2023-10-03 183.247.177.54

2018-11-14-----2023-08-30 122.224.158.44

2023-06-04-----2023-08-30 221.12.27.5

2023-05-31-----2023-05-31 221.12.27.7

2018-11-14-----2021-01-11 172.31.201.160

2018-11-14-----2019-12-03 218.108.83.187

2016-12-04-----2018-09-04 60.191.110.183

2017-09-04-----2018-09-04 218.108.83.137