iP or domain name lookup

sm.dell.com Server iP：

Current resolution：

domain resolution record：

2023-11-02-----2023-12-09 63.140.48.151

2023-11-02-----2023-12-09 63.140.50.211

2023-12-09-----2023-12-09 63.140.36.14

2023-12-09-----2023-12-09 63.140.62.214

2023-11-02-----2023-11-02 63.140.62.160

2023-11-02-----2023-11-02 63.140.36.139

2021-05-12-----2021-05-21 52.76.68.91

2021-05-21-----2021-05-21 44.233.255.254

2021-05-21-----2021-05-21 15.237.76.117

2021-05-12-----2021-05-20 44.237.54.118

2021-05-20-----2021-05-20 35.181.18.61

2021-05-12-----2021-05-12 15.237.136.106

2021-01-24-----2021-01-27 54.168.58.167

2021-01-24-----2021-01-27 54.178.61.109

2021-01-24-----2021-01-27 18.182.161.178

2020-09-02-----2020-09-02 18.178.74.225

2020-09-02-----2020-09-02 18.179.88.228

2020-09-02-----2020-09-02 13.112.72.86