iP or domain name lookup

wapp.phedu.net Server iP：

Current resolution：

domain resolution record：

2019-02-11-----2023-05-17 117.149.146.171

2021-03-17-----2022-02-27 27.221.108.52

2022-02-13-----2022-02-27 122.9.167.87

2022-02-13-----2022-02-27 180.96.16.231

2022-02-13-----2022-02-13 116.211.138.205

2021-06-05-----2021-09-14 180.96.16.230

2021-04-30-----2021-09-13 122.9.139.139

2021-03-17-----2021-06-05 116.211.138.208

2021-03-17-----2021-04-30 180.96.16.232