iP or domain name lookup

yu2.canada.rui-su.com Server iP：

Current resolution：

domain resolution record：

2019-07-12-----2019-10-09 172.107.85.203

2017-04-26-----2017-04-26 117.169.71.141

2017-04-25-----2017-04-25 121.29.54.22

2017-04-25-----2017-04-25 101.69.121.35

2017-04-25-----2017-04-25 58.216.107.36

2017-04-25-----2017-04-25 110.53.180.174

2017-04-25-----2017-04-25 111.47.223.35

2017-04-25-----2017-04-25 106.117.249.12

2017-04-25-----2017-04-25 119.147.33.19

2017-04-25-----2017-04-25 121.29.54.36

2017-04-25-----2017-04-25 58.216.107.101