iP or domain name lookup

ottrrs.ah.chinamobile.com Server iP：

Current resolution：

domain resolution record：

2024-11-18-----2024-11-18 104.26.5.148

2024-08-03-----2024-11-11 104.26.4.148

2024-01-08-----2024-01-08 72.14.178.174

2023-04-03-----2023-04-03 96.126.123.244

2023-03-09-----2023-03-09 45.33.20.235

2023-01-26-----2023-02-23 45.33.23.183

2023-02-19-----2023-02-19 173.255.194.134

2023-01-25-----2023-01-25 198.58.118.167

2023-01-25-----2023-01-25 45.56.79.23

2019-10-05-----2019-10-05 79.124.78.101