iP or domain name lookup

ag.dz750.com Server iP：

Current resolution：

domain resolution record：

2019-04-17-----2019-12-01 47.91.202.66

2019-04-26-----2019-12-01 47.91.205.63

2019-06-26-----2019-12-01 47.88.84.51

2019-06-26-----2019-06-30 103.105.56.8

2017-09-11-----2017-09-11 182.16.39.138

2017-09-10-----2017-09-10 112.175.125.202

2017-09-10-----2017-09-10 101.55.26.137

2017-09-10-----2017-09-10 182.16.78.242

2017-09-10-----2017-09-10 182.16.24.138