iP or domain name lookup

proquest.ilibs.cn Server iP：

Current resolution：

domain resolution record：

2021-07-20-----2021-07-20 58.215.145.104

2021-07-20-----2021-07-20 27.221.44.41

2021-07-20-----2021-07-20 58.215.145.98

2021-07-20-----2021-07-20 27.221.44.47

2021-07-20-----2021-07-20 27.221.44.48

2021-07-20-----2021-07-20 58.215.145.111

2021-07-20-----2021-07-20 58.215.145.106

2021-07-20-----2021-07-20 125.37.206.224

2021-07-20-----2021-07-20 223.111.24.86

2021-07-20-----2021-07-20 122.225.34.182

2021-07-20-----2021-07-20 36.102.212.92