iP or domain name lookup

target.nejm.org Server iP：

Current resolution：

domain resolution record：

2024-03-02-----2024-05-05 63.140.50.167

2024-05-05-----2024-05-05 66.235.152.156

2024-05-05-----2024-05-05 63.140.37.126

2024-05-05-----2024-05-05 63.140.48.230

2024-03-02-----2024-03-02 63.140.48.227

2024-03-02-----2024-03-02 63.140.50.233

2024-03-02-----2024-03-02 63.140.50.191

2022-08-10-----2022-08-10 52.194.174.175

2022-08-10-----2022-08-10 18.136.92.164

2022-08-10-----2022-08-10 52.192.109.72

2022-08-10-----2022-08-10 13.115.98.65

2022-08-10-----2022-08-10 54.250.55.111