iP or domain name lookup

mcpacaudio1.pg0.cn.cdn20.com Server iP：

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2021-10-21-----2021-10-21 121.18.212.254

2021-10-21-----2021-10-21 122.70.142.37

2021-10-21-----2021-10-21 222.141.198.218

2021-10-21-----2021-10-21 163.171.198.89

2021-10-21-----2021-10-21 58.220.72.83

2021-10-21-----2021-10-21 36.150.31.56

2021-10-21-----2021-10-21 122.228.237.58

2021-10-21-----2021-10-21 103.254.188.41

2021-10-21-----2021-10-21 61.147.211.209

2021-10-21-----2021-10-21 119.188.36.27

2021-10-21-----2021-10-21 120.237.254.128