iP or domain name lookup

cs50.harvard.edu Server iP：

Current resolution：

domain resolution record：

2024-10-26-----2024-10-26 34.227.118.127

2024-10-26-----2024-10-26 54.158.251.198

2024-06-20-----2024-06-20 3.231.51.21

2024-06-20-----2024-06-20 3.219.133.163

2023-08-14-----2023-08-14 54.236.168.190

2023-08-14-----2023-08-14 34.225.48.128

2023-03-04-----2023-03-04 54.83.232.233

2023-03-04-----2023-03-04 3.94.248.158

2022-06-03-----2022-06-03 100.25.173.49

2022-06-03-----2022-06-03 54.204.207.61

2021-06-17-----2021-06-17 23.22.73.77

2021-06-17-----2021-06-17 34.238.70.233

2021-02-01-----2021-02-01 34.197.162.161

2021-02-01-----2021-02-01 3.215.78.135