iP or domain name lookup

help.chinajiajiao.org Server iP：

Current resolution：

domain resolution record：

2017-06-16-----2017-06-16 180.101.217.31

2017-06-16-----2017-06-16 121.31.30.143

2017-06-16-----2017-06-16 221.235.252.146

2017-06-16-----2017-06-16 150.138.176.152

2017-06-16-----2017-06-16 119.167.164.21

2017-06-16-----2017-06-16 123.125.46.142

2017-06-16-----2017-06-16 42.56.76.12

2017-06-16-----2017-06-16 180.101.217.43

2017-06-16-----2017-06-16 117.169.98.228

2017-06-16-----2017-06-16 175.6.26.151

2017-06-16-----2017-06-16 218.205.82.9

2017-06-16-----2017-06-16 121.31.30.144