iP or domain name lookup

idc.857yun.cn Server iP：

Current resolution：

domain resolution record：

2021-09-30-----2021-10-16 50.93.205.56

2021-09-30-----2021-10-15 50.93.205.122

2021-09-30-----2021-10-15 154.22.100.251

2021-09-30-----2021-10-15 23.224.49.20

2021-09-30-----2021-10-15 50.93.205.65

2021-09-30-----2021-10-15 50.93.205.76

2021-10-14-----2021-10-15 50.93.205.39

2021-09-30-----2021-10-14 23.224.49.21

2021-09-30-----2021-10-14 23.224.49.5

2021-10-07-----2021-10-14 194.36.170.152

2021-10-07-----2021-10-14 50.93.205.121

2021-09-30-----2021-10-07 50.93.205.100