iP or domain name lookup

www.course-net.com Server iP：

Current resolution：

domain resolution record：

2023-01-29-----2024-05-08 104.26.2.197

2023-01-29-----2024-05-08 172.67.72.148

2024-05-08-----2024-05-08 45.79.19.196

2023-01-29-----2024-01-09 104.26.3.197

2020-04-19-----2021-02-06 149.129.245.66

2020-04-08-----2020-04-08 104.18.41.43

2020-04-08-----2020-04-08 104.18.40.43

2019-03-01-----2019-07-19 198.252.111.25

2018-03-13-----2018-03-31 101.50.1.16