iP or domain name lookup

esource.cambridge.org Server iP：

Current resolution：

domain resolution record：

2023-12-18-----2024-05-22 104.17.110.190

2023-12-18-----2024-05-22 104.17.111.190

2023-08-27-----2023-12-13 104.17.51.120

2023-08-27-----2023-12-13 104.17.50.120

2023-08-22-----2023-08-28 104.17.3.189

2022-06-09-----2023-08-22 104.16.55.52

2022-06-09-----2023-08-22 104.16.56.52

2023-08-22-----2023-08-22 104.17.4.189

2022-01-21-----2022-01-21 3.248.20.108

2022-01-21-----2022-01-21 34.240.117.166