iP or domain name lookup

jbtyw.cn Server iP：

Current resolution：

domain resolution record：

2020-12-04-----2020-12-04 59.148.20.15

2019-08-21-----2019-08-22 103.231.12.215

2016-12-06-----2016-12-08 59.188.83.171

2016-12-06-----2016-12-06 58.64.188.246