iP or domain name lookup

kelas.ruangguru.com Server iP：

Current resolution：

domain resolution record：

2024-02-06-----2024-11-04 104.22.21.245

2024-02-06-----2024-11-04 104.22.20.245

2024-02-06-----2024-11-04 172.67.22.129

2021-04-04-----2023-10-28 104.18.3.2

2021-04-04-----2023-10-28 104.18.2.2

2021-03-07-----2021-03-07 104.19.142.56

2021-03-07-----2021-03-07 104.19.141.56

2021-03-07-----2021-03-07 104.19.140.56