iP or domain name lookup

yangchen.tpddns.cn Server iP：

Current resolution：

domain resolution record：

2021-11-13-----2022-03-04 183.208.138.138

2021-10-13-----2021-10-13 183.208.138.20

2021-07-17-----2021-07-26 223.66.205.190

2021-06-24-----2021-06-24 223.66.227.16

2021-05-20-----2021-05-20 183.208.138.44

2021-05-01-----2021-05-02 183.208.138.185

2021-04-07-----2021-04-07 183.208.138.238

2020-04-27-----2020-04-27 183.213.226.224

2019-07-17-----2019-07-17 112.0.172.242

2018-11-27-----2018-11-27 183.213.226.15

2017-11-20-----2017-11-20 112.0.173.20

2017-11-19-----2017-11-19 112.0.172.172

2017-09-04-----2017-09-05 112.0.180.5