iP or domain name lookup

xgxt.hdu.edu.cn Server iP：

Current resolution：

domain resolution record：

2021-09-09-----2022-02-24 218.75.123.164

2021-09-09-----2021-09-09 60.12.8.164

2017-12-14-----2021-02-06 218.75.123.181

2017-12-14-----2021-01-21 60.12.8.181

2017-12-14-----2021-01-21 60.12.8.182

2017-12-14-----2021-01-21 218.75.123.182

2021-01-13-----2021-01-13 210.32.32.182

2017-10-07-----2017-10-08 192.168.101.45