iP or domain name lookup

ims.ah.chinamobile.com Server iP：

Current resolution：

domain resolution record：

2024-01-04-----2024-01-04 198.58.118.167

2019-10-05-----2020-03-15 79.124.78.105

2019-12-22-----2019-12-22 79.124.78.101

2018-01-18-----2018-09-06 120.210.209.75

2016-09-02-----2016-10-17 221.192.153.41

2016-09-02-----2016-10-17 111.175.221.58