iP or domain name lookup

cdn.jiasucdn.com Server iP：

Current resolution：

domain resolution record：

2017-06-22-----2021-10-20 103.28.206.250

2018-05-18-----2021-10-20 112.29.174.206

2018-12-30-----2021-10-20 61.132.228.220

2017-06-22-----2018-07-20 36.7.130.124

2017-06-22-----2017-06-22 112.29.171.26