iP or domain name lookup

docin.com Server iP：

Current resolution：

domain resolution record：

2024-03-31-----2024-08-29 221.122.132.138

2022-03-30-----2024-02-13 203.107.62.235

2020-12-05-----2022-03-09 203.107.45.164

2020-08-14-----2020-09-25 203.107.55.219

2017-12-28-----2020-07-27 221.122.132.136

2016-11-21-----2017-12-06 116.213.76.136

2017-08-24-----2017-09-12 183.235.255.174

2017-05-10-----2017-07-08 183.235.255.170

2017-03-31-----2017-05-05 120.198.235.232