iP or domain name lookup

xues.glgoo.com Server iP：

Current resolution：

domain resolution record：

2020-10-26-----2020-10-26 119.28.134.27

2019-07-17-----2019-10-13 172.105.195.209

2019-10-03-----2019-10-13 47.91.241.21

2019-09-19-----2019-09-19 47.52.111.163

2017-10-02-----2017-10-20 172.104.103.239

2017-10-01-----2017-10-19 106.186.119.19

2017-10-01-----2017-10-19 150.95.149.235