iP or domain name lookup

usa-4.serverip.co Server iP：

Current resolution：

domain resolution record：

2019-10-11-----2021-02-16 173.192.115.17

2019-08-19-----2019-08-19 218.28.144.38

2016-08-26-----2016-09-20 108.59.13.27

2016-05-31-----2016-08-02 113.12.83.4

2016-08-02-----2016-08-02 120.192.83.162

2016-05-31-----2016-06-03 221.192.153.41

2016-06-03-----2016-06-03 123.129.254.17

2016-06-03-----2016-06-03 218.30.64.194

2016-05-25-----2016-05-25 69.64.54.47

2016-05-03-----2016-05-13 69.64.55.124