iP or domain name lookup

benchprep.com Server iP：

Current resolution：

domain resolution record：

2017-04-27-----2017-04-27 169.44.151.107

2017-04-27-----2017-04-27 169.44.151.104

2017-04-27-----2017-04-27 169.46.42.104

2017-04-27-----2017-04-27 169.46.42.103

2017-04-27-----2017-04-27 169.44.151.109

2017-04-27-----2017-04-27 169.44.151.108

2017-04-27-----2017-04-27 169.44.151.106

2017-04-27-----2017-04-27 169.46.42.108

2017-04-27-----2017-04-27 169.46.42.107