iP or domain name lookup

dp.sina.cn Server iP：

Current resolution：

domain resolution record：

2021-05-04-----2024-03-17 39.156.6.144

2023-01-11-----2024-03-17 49.7.37.16

2024-03-08-----2024-03-17 123.126.45.156

2021-05-04-----2021-10-08 183.60.95.219

2019-06-28-----2019-10-28 183.232.23.195

2019-06-28-----2019-10-28 183.60.95.152

2017-08-17-----2018-11-01 183.60.92.218

2017-08-17-----2018-11-01 58.63.238.212

2017-08-26-----2018-01-17 183.232.24.252