iP or domain name lookup

sdk.sinacloud.com Server iP：

Current resolution：

domain resolution record：

2017-08-16-----2024-04-13 123.125.23.91

2017-08-16-----2024-04-13 123.125.23.221

2020-05-02-----2022-11-10 49.7.40.103

2020-05-02-----2022-11-10 49.7.40.106

2017-08-16-----2019-03-19 61.172.201.27

2017-08-16-----2019-03-19 61.172.201.28

2019-03-19-----2019-03-19 183.232.24.60

2019-03-19-----2019-03-19 183.232.24.46

2017-09-05-----2018-01-17 221.179.190.244

2017-11-15-----2017-12-09 221.179.190.243