iP or domain name lookup

www.udr.com Server iP：

Current resolution：

domain resolution record：

2024-01-28-----2024-05-17 146.75.113.91

2024-05-17-----2024-05-17 151.101.41.91

2024-05-17-----2024-05-17 199.232.45.91

2024-05-17-----2024-05-17 146.75.121.91

2024-01-28-----2024-01-28 151.101.109.91

2024-01-28-----2024-01-28 151.101.77.91

2022-11-02-----2023-07-16 104.22.8.120

2022-11-02-----2023-07-16 172.67.25.79

2022-11-02-----2023-07-16 104.22.9.120

2022-10-15-----2022-10-15 104.18.30.201

2022-10-15-----2022-10-15 104.18.31.201

2019-07-05-----2020-12-16 104.20.72.43

2019-07-05-----2020-12-16 104.20.71.43

2020-12-16-----2020-12-16 172.67.18.49