iP or domain name lookup

adsfasdf.cdn.yun.ac.cn Server iP：

Current resolution：

domain resolution record：

2016-01-14-----2016-01-14 221.204.244.36

2016-01-14-----2016-01-14 218.30.64.194

2016-01-14-----2016-01-14 123.129.254.17

2016-01-14-----2016-01-14 202.102.110.203

2016-01-14-----2016-01-14 221.192.153.41

2016-01-14-----2016-01-14 120.192.83.162