iP or domain name lookup

a.highendedu.com Server iP：

Current resolution：

domain resolution record：

2023-08-03-----2023-08-03 45.56.79.23

2021-07-07-----2021-07-07 47.91.170.222

2020-08-31-----2021-06-08 8.210.171.54

2020-08-22-----2020-08-30 8.210.122.164

2020-07-13-----2020-08-16 8.210.111.55

2020-07-10-----2020-07-10 125.88.146.124

2020-07-09-----2020-07-09 14.29.47.41

2020-07-01-----2020-07-06 47.75.45.189

2020-06-17-----2020-07-01 123.129.224.203

2020-06-17-----2020-06-29 103.88.34.83