iP or domain name lookup

cf2015.blogcn.com Server iP：

Current resolution：

domain resolution record：

2020-06-29-----2021-12-18 139.129.199.122

2019-05-04-----2019-10-12 58.218.66.247

2019-05-04-----2019-08-21 103.236.240.247

2017-10-16-----2017-10-16 59.56.19.209

2017-10-16-----2017-10-16 183.131.214.188

2017-10-16-----2017-10-16 103.36.210.147

2017-07-13-----2017-07-14 59.56.19.115

2017-01-29-----2017-07-13 183.131.214.149

2017-07-13-----2017-07-13 103.36.210.66

2017-01-29-----2017-01-30 115.231.25.160

2017-01-29-----2017-01-29 103.36.210.98

2017-01-29-----2017-01-29 59.56.19.155