iP or domain name lookup

pcos.cn Server iP：

Current resolution：

domain resolution record：

2020-03-03-----2020-06-07 47.56.142.122

2017-10-24-----2019-10-12 45.248.69.107

2017-12-12-----2017-12-13 119.29.155.45

2017-10-03-----2017-10-03 43.248.79.104

2016-11-14-----2016-12-20 61.160.224.166

2016-11-14-----2016-12-19 120.52.19.92

2016-12-19-----2016-12-19 113.17.175.105

2016-11-03-----2016-11-03 202.102.85.67

2016-11-03-----2016-11-03 222.73.144.198

2016-11-03-----2016-11-03 125.88.190.21

2016-11-03-----2016-11-03 61.160.224.195

2016-11-03-----2016-11-03 61.160.224.212