iP or domain name lookup

my.udel.edu Server iP：

Current resolution：

domain resolution record：

2023-02-19-----2023-03-14 52.32.169.33

2023-03-11-----2023-03-14 44.225.141.64

2023-03-11-----2023-03-14 34.218.55.215

2023-03-11-----2023-03-14 52.88.64.183

2023-02-19-----2023-02-19 54.71.140.66

2023-02-19-----2023-02-19 34.208.224.80

2023-02-19-----2023-02-19 34.213.21.235

2023-01-30-----2023-01-30 34.218.30.29

2023-01-30-----2023-01-30 44.225.100.96

2023-01-30-----2023-01-30 35.161.254.158

2023-01-30-----2023-01-30 44.241.131.240

2022-11-02-----2022-11-02 54.244.32.189

2022-11-02-----2022-11-02 54.186.14.102

2022-11-02-----2022-11-02 50.112.147.130