iP or domain name lookup

ipos.chinaums.com Server iP：

Current resolution：

domain resolution record：

2022-08-26-----2024-07-04 220.185.183.211

2022-08-26-----2024-07-04 123.129.226.219

2020-12-30-----2024-04-09 115.231.230.221

2023-09-04-----2023-10-16 123.129.226.182

2022-08-26-----2023-05-09 117.149.202.219

2020-10-16-----2022-08-02 59.56.19.115

2022-08-02-----2022-08-02 139.196.88.82

2018-09-01-----2020-09-02 58.247.0.18

2019-06-19-----2020-03-03 183.131.214.142

2017-08-01-----2018-07-18 183.131.180.56

2017-07-19-----2017-07-19 120.27.248.12