iP or domain name lookup

phyexp.nuaa.rvfu98.com Server iP：

Current resolution：

domain resolution record：

2020-05-28-----2020-06-25 108.187.93.147

2019-10-08-----2020-05-19 156.239.42.157

2017-10-09-----2017-10-10 220.181.105.183

2017-10-09-----2017-10-09 122.72.35.133

2017-10-09-----2017-10-09 27.221.30.47

2017-10-09-----2017-10-09 112.5.251.13

2017-10-09-----2017-10-09 211.138.122.185

2017-10-09-----2017-10-09 122.227.164.192

2017-10-09-----2017-10-09 171.111.154.210

2017-10-09-----2017-10-09 119.167.151.239

2017-10-09-----2017-10-09 42.81.4.44