iP or domain name lookup

wu2.us Server iP：

Current resolution：

domain resolution record：

2021-02-16-----2024-01-06 185.53.177.11

2021-07-02-----2023-07-08 104.247.81.11

2021-01-13-----2021-02-16 18.215.128.143

2021-01-13-----2021-02-16 18.213.250.117

2021-01-13-----2021-02-16 52.4.209.250

2021-02-16-----2021-02-16 52.0.217.44

2020-05-29-----2021-01-06 104.31.85.171

2020-05-29-----2021-01-06 172.67.180.96

2020-05-29-----2021-01-06 104.31.84.171

2020-01-17-----2020-05-27 104.24.107.88

2020-01-17-----2020-05-27 104.24.106.88