iP or domain name lookup

login.cnki.net Server iP：

Current resolution：

domain resolution record：

2022-03-04-----2024-10-27 121.194.4.228

2023-04-02-----2024-10-27 115.31.65.33

2023-09-15-----2024-10-27 103.244.235.63

2022-03-10-----2024-01-26 121.194.4.239

2022-03-07-----2023-09-03 203.81.18.31

2021-07-17-----2022-02-07 27.128.217.239

2020-11-25-----2021-10-29 121.194.4.7

2017-12-13-----2021-05-19 103.227.81.59

2019-09-14-----2020-11-05 121.194.4.105

2019-07-02-----2019-07-23 103.227.81.123

2017-08-06-----2017-09-05 103.26.1.104