iP or domain name lookup

sock.aobi.com Server iP：

Current resolution：

domain resolution record：

2017-03-15-----2017-12-15 43.226.161.51

2017-03-15-----2017-12-15 113.105.158.80

2017-08-26-----2017-12-15 112.65.220.107

2017-08-26-----2017-12-15 61.163.234.51

2017-08-27-----2017-08-27 112.51.123.86

2017-03-16-----2017-03-16 112.25.35.122

2017-03-15-----2017-03-15 219.157.125.45

2017-03-15-----2017-03-15 61.234.119.113

2017-03-15-----2017-03-15 111.13.135.204