iP or domain name lookup

gw.ruangguru.com Server iP：

Current resolution：

domain resolution record：

2024-01-13-----2024-04-17 104.22.21.245

2024-01-26-----2024-04-17 104.22.20.245

2024-01-13-----2024-04-12 172.67.22.129

2021-04-13-----2023-12-28 104.18.2.2

2021-04-13-----2023-12-28 104.18.3.2

2020-08-31-----2021-02-28 104.19.141.56

2020-08-31-----2021-02-28 104.19.142.56

2021-01-27-----2021-02-28 104.19.140.56

2020-08-31-----2021-01-27 104.19.139.56

2021-01-27-----2021-01-27 104.19.143.56

2020-03-28-----2020-07-09 104.19.133.111

2020-03-28-----2020-06-06 104.19.132.111