iP or domain name lookup

fffffu.cn Server iP：

Current resolution：

domain resolution record：

2020-05-19-----2020-05-19 156.250.148.163

2019-06-22-----2019-11-07 128.14.57.188

2017-06-05-----2017-10-07 139.224.62.54

2017-05-07-----2017-05-07 103.219.107.17