iP or domain name lookup

bbs.yulin7.com Server iP：

Current resolution：

domain resolution record：

2017-08-01-----2017-08-01 1.82.243.138

2017-07-31-----2017-07-31 221.236.7.231

2017-07-31-----2017-07-31 180.97.158.168

2016-12-14-----2016-12-14 118.212.146.196

2016-12-07-----2016-12-13 221.10.80.64

2016-12-07-----2016-12-13 218.65.212.143

2016-12-07-----2016-12-13 221.10.80.66

2016-12-07-----2016-12-13 118.212.146.218

2016-12-07-----2016-12-13 221.236.7.144

2016-12-13-----2016-12-13 218.65.212.144

2016-12-13-----2016-12-13 221.236.7.195

2016-12-13-----2016-12-13 218.65.212.173

2016-12-13-----2016-12-13 221.236.7.146

2016-12-13-----2016-12-13 218.65.212.145

2016-12-13-----2016-12-13 171.111.158.67

2016-12-08-----2016-12-08 221.236.7.192

2016-12-08-----2016-12-08 221.10.80.63

2016-12-07-----2016-12-07 221.236.7.194

2016-12-07-----2016-12-07 218.65.212.174

2016-12-07-----2016-12-07 221.236.7.248