iP or domain name lookup

mex.bitfinexp.com Server iP：

Current resolution：

domain resolution record：

2021-09-12-----2022-10-26 185.244.36.150

2021-07-17-----2021-07-27 199.33.126.42

2021-07-15-----2021-07-15 45.138.71.160

2021-07-02-----2021-07-14 81.28.12.12

2021-07-02-----2021-07-02 23.225.192.92

2021-07-02-----2021-07-02 5.181.135.120

2021-07-02-----2021-07-02 5.181.135.124

2021-07-02-----2021-07-02 5.181.135.123

2021-07-02-----2021-07-02 173.82.152.41

2021-07-02-----2021-07-02 5.181.135.129

2021-07-02-----2021-07-02 5.181.135.122