iP or domain name lookup

ftp.dell.com Server iP：

Current resolution：

domain resolution record：

2023-12-29-----2023-12-29 45.33.18.44

2023-11-30-----2023-11-30 45.56.79.23

2023-11-29-----2023-11-29 173.255.194.134

2023-10-20-----2023-10-20 96.126.123.244

2023-09-13-----2023-09-13 72.14.185.43

2022-05-28-----2022-05-28 199.59.243.200

2021-12-09-----2022-04-09 45.11.57.36

2016-11-06-----2021-07-30 143.166.135.76

2016-11-06-----2021-07-30 143.166.147.76