iP or domain name lookup

upload.im.oss.mucang.cn Server iP：

Current resolution：

domain resolution record：

2017-08-06-----2017-08-07 220.181.105.160

2017-08-07-----2017-08-07 183.232.151.143

2017-08-06-----2017-08-06 117.172.7.92

2017-08-06-----2017-08-06 112.5.251.52

2017-08-06-----2017-08-06 124.160.136.159

2017-08-06-----2017-08-06 211.142.196.145

2017-08-06-----2017-08-06 42.81.4.76

2017-08-06-----2017-08-06 222.186.49.239

2017-08-06-----2017-08-06 123.138.67.49

2017-08-06-----2017-08-06 175.6.3.142

2017-08-06-----2017-08-06 182.140.245.17