iP or domain name lookup

koreauniv.pure.elsevier.com Server iP：

Current resolution：

domain resolution record：

2024-08-01-----2024-08-01 52.215.67.30

2024-08-01-----2024-08-01 52.48.71.0

2024-08-01-----2024-08-01 34.251.161.214

2024-07-09-----2024-07-14 54.171.146.113

2024-07-09-----2024-07-14 54.171.198.225

2024-07-14-----2024-07-14 52.215.99.30

2024-07-09-----2024-07-09 52.208.60.152

2018-05-07-----2020-05-25 52.220.215.79

2018-05-07-----2020-05-25 52.77.119.219