iP or domain name lookup

sign.em02e.cn Server iP：

Current resolution：

domain resolution record：

2022-12-15-----2022-12-15 47.91.170.222

2022-04-22-----2022-04-22 8.218.93.107

2022-04-22-----2022-04-22 8.210.37.174

2022-04-22-----2022-04-22 8.218.81.152

2020-05-10-----2020-07-06 150.109.60.213