iP or domain name lookup

coderschool.cn Server iP：

Current resolution：

domain resolution record：

2017-08-25-----2024-04-18 112.74.113.151

2017-06-06-----2017-07-11 182.140.245.27

2017-06-06-----2017-07-11 61.154.126.111

2017-06-06-----2017-07-11 58.218.215.170

2017-07-11-----2017-07-11 122.228.74.179

2017-07-11-----2017-07-11 220.181.105.184

2017-07-11-----2017-07-11 124.160.136.154

2017-07-11-----2017-07-11 124.238.232.223

2017-07-11-----2017-07-11 183.232.151.148

2017-07-11-----2017-07-11 123.129.244.3

2017-07-11-----2017-07-11 223.82.136.158

2017-07-11-----2017-07-11 124.232.157.117

2016-12-27-----2017-06-06 222.186.49.178

2017-01-10-----2017-06-06 180.97.168.190

2017-06-06-----2017-06-06 27.221.30.96

2017-06-06-----2017-06-06 120.192.89.168

2017-06-06-----2017-06-06 61.154.126.120

2017-06-06-----2017-06-06 121.207.229.248

2017-06-06-----2017-06-06 180.97.168.238

2017-06-06-----2017-06-06 42.81.4.64

2017-06-06-----2017-06-06 221.13.200.242

2017-06-06-----2017-06-06 183.232.151.192

2016-12-27-----2017-01-10 221.236.21.5

2017-01-10-----2017-01-10 222.73.134.31

2017-01-10-----2017-01-10 125.39.199.24

2017-01-10-----2017-01-10 183.61.180.229

2017-01-10-----2017-01-10 42.81.4.85

2017-01-10-----2017-01-10 112.5.187.152

2017-01-10-----2017-01-10 117.131.204.52

2017-01-10-----2017-01-10 222.73.134.29

2017-01-10-----2017-01-10 58.216.17.113

2017-01-10-----2017-01-10 171.111.154.228

2017-01-10-----2017-01-10 218.107.196.222

2017-01-10-----2017-01-10 183.61.180.186

2017-01-10-----2017-01-10 222.73.134.38

2016-12-30-----2016-12-30 121.9.212.214

2016-12-27-----2016-12-28 222.73.134.98

2016-12-27-----2016-12-27 220.181.105.214

2016-12-27-----2016-12-27 61.154.126.114

2016-12-27-----2016-12-27 221.13.200.227

2016-12-27-----2016-12-27 117.131.204.54