iP or domain name lookup

storage.51cto.com Server iP：

Current resolution：

domain resolution record：

2018-01-20-----2019-08-15 47.93.94.253

2017-12-14-----2017-12-14 47.95.167.39

2017-09-03-----2017-09-04 118.144.78.38

2017-09-03-----2017-09-03 118.144.78.57

2017-08-11-----2017-08-11 118.144.78.42

2017-08-11-----2017-08-11 118.144.78.43