iP or domain name lookup

guoran.21ad.org Server iP：

Current resolution：

domain resolution record：

2019-07-12-----2026-01-04 47.105.96.172

2017-11-02-----2017-11-02 117.169.71.219

2017-11-01-----2017-11-01 27.221.30.43

2017-11-01-----2017-11-01 202.108.250.209

2017-11-01-----2017-11-01 113.5.253.139

2017-11-01-----2017-11-01 124.239.162.219

2017-11-01-----2017-11-01 58.218.203.230

2017-11-01-----2017-11-01 183.213.20.234

2017-11-01-----2017-11-01 180.163.155.11

2017-11-01-----2017-11-01 58.218.203.138

2017-11-01-----2017-11-01 140.205.132.227

2017-11-01-----2017-11-01 180.163.155.9

2017-11-01-----2017-11-01 220.181.78.91

2017-11-01-----2017-11-01 116.10.187.29