iP or domain name lookup

wy.166hi.com Server iP：

Current resolution：

domain resolution record：

2017-04-25-----2017-04-25 115.204.2.179

2017-03-15-----2017-03-15 125.121.40.220

2017-02-23-----2017-02-23 115.205.205.243

2017-02-03-----2017-02-03 115.196.170.157

2017-01-21-----2017-01-21 115.192.245.163

2017-01-18-----2017-01-18 122.233.19.163