iP or domain name lookup

help.tandfonline.com Server iP：

Current resolution：

domain resolution record：

2022-09-02-----2023-08-19 161.71.144.11

2023-02-10-----2023-08-19 161.71.146.10

2023-08-19-----2023-08-19 85.222.140.13

2023-08-19-----2023-08-19 13.110.30.13

2022-09-02-----2023-06-17 161.71.146.9

2022-09-02-----2023-06-17 161.71.144.16

2022-09-02-----2023-06-17 161.71.146.12

2022-09-02-----2023-06-17 161.71.144.13

2022-09-02-----2023-06-17 161.71.146.13

2022-09-02-----2023-06-17 161.71.144.10