iP or domain name lookup

guohang.org Server iP：

Current resolution：

domain resolution record：

2017-08-09-----2017-12-28 104.200.180.246

2017-03-20-----2017-03-23 103.241.230.135

2017-03-20-----2017-03-23 103.241.230.138

2017-03-20-----2017-03-23 103.241.230.137

2017-03-20-----2017-03-23 103.241.230.139

2017-01-25-----2017-02-05 103.241.230.133

2017-01-25-----2017-02-05 103.241.230.131

2017-01-25-----2017-02-05 103.241.230.136

2017-01-25-----2017-02-05 103.241.230.132

2016-12-06-----2016-12-06 107.167.19.78

2016-12-06-----2016-12-06 107.167.19.75

2016-12-06-----2016-12-06 107.167.19.76

2016-12-06-----2016-12-06 107.167.19.77