iP or domain name lookup

dr2.juezhan1.com Server iP：

Current resolution：

domain resolution record：

2019-09-26-----2019-09-28 113.141.163.123

2019-09-02-----2019-09-03 113.141.163.155

2017-04-29-----2017-04-29 111.223.12.112

2017-04-29-----2017-04-29 218.93.205.106

2017-03-23-----2017-03-23 222.187.254.96

2017-03-23-----2017-03-23 111.223.13.100