iP or domain name lookup

rr.pb1x.cn Server iP：

Current resolution：

domain resolution record：

2022-10-21-----2022-10-21 223.109.81.161

2022-10-21-----2022-10-21 112.80.255.152

2022-10-21-----2022-10-21 111.45.3.16

2022-10-21-----2022-10-21 180.101.50.137

2022-10-21-----2022-10-21 220.181.33.176

2022-10-21-----2022-10-21 180.101.50.138

2022-10-21-----2022-10-21 153.3.236.79

2018-09-11-----2018-09-14 118.212.233.158

2018-09-11-----2018-09-14 180.97.158.120