iP or domain name lookup

hanlab.mit.edu Server iP：

Current resolution：

domain resolution record：

2024-01-18-----2024-10-06 54.178.223.218

2024-01-18-----2024-10-06 52.197.0.54

2024-10-06-----2024-10-06 54.68.171.176

2024-10-06-----2024-10-06 35.152.104.113

2024-01-18-----2024-02-18 52.199.221.217

2024-01-18-----2024-02-18 44.238.31.106

2024-02-13-----2024-02-18 63.35.51.142

2024-02-13-----2024-02-13 44.227.170.101

2024-01-18-----2024-01-18 44.238.105.202

2020-05-06-----2020-05-06 18.25.8.36