iP or domain name lookup

a.alchin.cn Server iP：

Current resolution：

domain resolution record：

2017-10-09-----2017-10-30 117.131.204.40

2017-10-30-----2017-10-30 220.181.105.183

2017-10-07-----2017-10-29 211.138.122.183

2017-10-07-----2017-10-29 220.181.105.241

2017-10-07-----2017-10-29 119.167.151.238

2017-10-29-----2017-10-29 122.225.34.188

2017-10-29-----2017-10-29 27.221.30.45

2017-10-29-----2017-10-29 121.9.212.221

2017-10-29-----2017-10-29 171.111.154.211

2017-10-08-----2017-10-10 112.5.251.15

2017-10-07-----2017-10-09 122.227.164.191

2017-10-07-----2017-10-09 116.55.241.188

2017-10-07-----2017-10-09 59.46.4.210

2017-10-07-----2017-10-09 171.111.154.210

2017-10-09-----2017-10-09 123.129.244.220

2017-10-07-----2017-10-07 122.72.35.179

2017-10-07-----2017-10-07 27.221.30.58