iP or domain name lookup

pk.yy.com Server iP：

Current resolution：

domain resolution record：

2017-08-07-----2022-06-02 221.228.79.225

2017-08-07-----2022-06-02 14.17.109.66

2021-12-16-----2022-06-02 103.227.121.120

2021-12-16-----2022-06-02 120.195.158.53

2017-08-07-----2019-12-04 113.107.236.195

2017-08-07-----2019-08-25 122.13.211.66

2017-08-07-----2019-08-25 120.195.158.46

2017-08-07-----2019-08-25 183.232.136.130

2017-08-07-----2018-01-17 103.227.121.100

2017-08-07-----2018-01-12 115.238.189.225