iP or domain name lookup

nb.920hz.com Server iP：

Current resolution：

domain resolution record：

2017-08-07-----2017-09-12 183.232.151.177

2017-08-06-----2017-09-11 58.218.215.167

2017-08-06-----2017-09-11 119.167.151.225

2017-08-06-----2017-09-11 220.181.105.179

2017-08-06-----2017-09-11 222.186.49.190

2017-09-11-----2017-09-11 123.129.244.4

2017-09-11-----2017-09-11 171.111.154.230

2017-09-11-----2017-09-11 120.192.82.236

2017-09-11-----2017-09-11 112.5.251.44

2017-09-11-----2017-09-11 121.29.8.185

2017-08-06-----2017-08-06 42.81.4.85

2017-08-06-----2017-08-06 124.232.157.114

2017-08-06-----2017-08-06 183.61.180.166

2017-08-06-----2017-08-06 211.138.122.227

2017-08-06-----2017-08-06 116.55.241.171

2017-08-06-----2017-08-06 122.228.74.182

2017-08-06-----2017-08-06 27.221.30.75