iP or domain name lookup

ab.officewifi.cn Server iP：

Current resolution：

domain resolution record：

2022-12-26-----2022-12-26 180.101.50.137

2022-12-26-----2022-12-26 112.80.255.152

2022-12-26-----2022-12-26 180.101.50.139

2022-12-26-----2022-12-26 223.109.81.160

2022-12-26-----2022-12-26 220.181.33.176

2022-12-26-----2022-12-26 153.3.236.79

2022-12-26-----2022-12-26 223.109.81.159

2019-11-14-----2019-12-29 47.75.48.192

2019-09-30-----2019-10-11 47.52.162.235

2019-07-11-----2019-07-11 47.75.55.79

2019-03-14-----2019-03-14 47.75.212.231