iP or domain name lookup

u9dh.cn Server iP：

Current resolution：

domain resolution record：

2019-06-14-----2019-08-15 45.33.248.45

2017-12-08-----2017-12-08 198.56.224.20

2017-10-08-----2017-10-27 104.203.208.101

2017-08-20-----2017-08-25 23.231.145.17

2017-03-23-----2017-04-01 107.163.178.40

2017-01-10-----2017-02-05 23.228.81.119