iP or domain name lookup

cdn.test.opoop.cn Server iP：

Current resolution：

domain resolution record：

2017-09-18-----2017-09-18 220.181.105.241

2017-09-17-----2017-09-17 123.129.244.221

2017-09-17-----2017-09-17 223.82.136.200

2017-09-17-----2017-09-17 121.9.212.220

2017-09-17-----2017-09-17 112.5.251.15

2017-09-17-----2017-09-17 122.227.164.206

2017-09-17-----2017-09-17 220.181.105.183

2017-09-17-----2017-09-17 116.55.241.187

2017-09-17-----2017-09-17 122.225.34.236

2017-09-17-----2017-09-17 124.112.127.39

2017-09-17-----2017-09-17 211.138.122.185