iP or domain name lookup

1st.attackv51.ourwebcdn.com Server iP：

Current resolution：

domain resolution record：

2019-12-17-----2019-12-17 79.124.78.105

2016-12-02-----2019-06-01 58.20.173.28

2016-12-29-----2019-06-01 219.146.68.220

2016-12-29-----2019-06-01 117.148.128.171

2019-06-01-----2019-06-01 219.138.30.72

2019-06-01-----2019-06-01 42.81.146.208

2016-12-02-----2017-11-17 58.222.41.89

2016-12-02-----2017-11-16 121.22.252.111

2016-12-02-----2017-11-16 116.55.236.159

2016-12-29-----2017-11-16 42.81.29.205

2017-11-16-----2017-11-16 14.215.103.76

2017-11-16-----2017-11-16 153.35.173.94

2016-12-02-----2017-03-13 106.122.255.60

2016-12-02-----2017-03-13 111.62.244.201

2017-03-13-----2017-03-13 183.250.178.53

2017-03-13-----2017-03-13 121.11.78.5

2017-03-13-----2017-03-13 222.134.201.38

2016-12-29-----2016-12-29 183.134.16.166

2016-12-29-----2016-12-29 183.6.241.174

2016-12-02-----2016-12-02 36.250.87.210