iP or domain name lookup

31it.com Server iP：

Current resolution：

domain resolution record：

2023-02-11-----2023-02-22 185.53.178.54

2021-05-03-----2021-06-18 185.53.178.14

2021-05-03-----2021-06-18 104.247.82.14

2019-08-02-----2019-10-09 107.186.179.248

2017-04-01-----2017-04-01 23.245.157.247

2017-01-10-----2017-01-10 67.229.33.51

2017-01-09-----2017-01-09 23.225.47.229