iP or domain name lookup

cnki.com Server iP：

Current resolution：

domain resolution record：

2023-03-16-----2024-11-15 51.68.163.21

2024-09-13-----2024-09-13 172.67.130.151

2024-09-13-----2024-09-13 104.21.3.111

2023-09-19-----2024-06-14 54.38.154.137

2023-02-12-----2023-02-16 23.224.99.138

2023-01-06-----2023-01-06 141.95.14.176

2022-11-26-----2022-11-26 162.19.190.11

2021-06-01-----2022-09-01 51.195.72.154

2022-02-06-----2022-03-24 141.95.49.104

2022-01-29-----2022-01-29 23.224.227.198

2020-02-25-----2020-08-20 23.224.6.27

2020-04-21-----2020-04-21 23.224.135.5

2019-11-22-----2019-12-05 23.225.154.123

2019-10-08-----2019-10-08 23.225.178.115

2019-05-21-----2019-07-15 23.224.4.27

2017-10-04-----2017-10-05 108.61.187.186

2017-05-06-----2017-05-06 128.199.255.3

2016-11-16-----2016-12-28 139.59.245.252