iP or domain name lookup

2.file.81js.com Server iP：

Current resolution：

domain resolution record：

2017-08-07-----2017-08-07 183.240.9.213

2017-08-06-----2017-08-06 121.14.255.100

2017-08-06-----2017-08-06 36.99.18.118

2017-08-06-----2017-08-06 61.147.218.24

2017-08-06-----2017-08-06 112.83.122.29

2017-08-06-----2017-08-06 58.59.19.125

2017-08-06-----2017-08-06 118.123.114.134

2017-08-06-----2017-08-06 61.130.28.134

2017-08-06-----2017-08-06 124.232.174.30

2017-08-06-----2017-08-06 183.213.22.98

2017-08-06-----2017-08-06 124.232.174.105

2017-08-06-----2017-08-06 218.29.186.158