iP or domain name lookup

ottcdn.ln.chinamobile.com Server iP：

Current resolution：

domain resolution record：

2023-02-09-----2024-01-02 45.33.20.235

2023-02-19-----2023-02-19 45.56.79.23

2023-01-25-----2023-02-13 72.14.185.43

2023-01-25-----2023-01-25 45.33.30.197

2019-08-10-----2019-12-28 79.124.78.105

2019-08-23-----2019-12-15 79.124.78.101

2018-09-28-----2018-10-21 221.179.46.190

2018-10-07-----2018-10-20 221.179.46.194