iP or domain name lookup

zgfyxzz.cbpt.cnki.net Server iP：

Current resolution：

domain resolution record：

2021-11-20-----2023-08-31 121.194.4.35

2022-04-24-----2023-08-31 203.81.18.43

2021-10-08-----2021-11-20 103.52.172.84

2020-01-10-----2021-03-03 103.227.81.44

2017-09-04-----2019-10-22 103.227.81.34

2016-11-03-----2017-03-25 103.227.81.51