iP or domain name lookup

xuezhe.net Server iP：

Current resolution：

domain resolution record：

2023-09-18-----2024-09-15 123.1.194.86

2022-03-16-----2022-05-06 103.45.248.22

2019-04-06-----2019-09-27 103.45.250.22

2016-11-12-----2017-01-02 121.12.92.49

2016-11-27-----2016-12-09 23.234.29.184

2016-12-09-----2016-12-09 107.151.161.220

2016-11-27-----2016-12-06 107.151.161.221

2016-11-27-----2016-12-06 162.251.95.54