iP or domain name lookup

help.grabcad.com Server iP：

Current resolution：

domain resolution record：

2024-05-19-----2024-05-19 54.164.57.10

2024-05-19-----2024-05-19 54.205.15.42

2024-05-19-----2024-05-19 52.87.22.224

2024-05-19-----2024-05-19 52.54.108.58

2024-04-20-----2024-04-20 54.165.194.83

2024-04-20-----2024-04-20 54.197.111.143

2024-04-20-----2024-04-20 52.71.149.107

2023-11-23-----2023-11-23 54.172.205.41

2023-11-23-----2023-11-23 52.203.186.134

2023-11-23-----2023-11-23 54.205.98.17

2023-01-12-----2023-01-12 52.44.209.157

2023-01-12-----2023-01-12 52.6.157.216

2023-01-12-----2023-01-12 54.81.226.1

2019-07-15-----2019-07-15 34.197.141.109

2019-07-15-----2019-07-15 52.2.140.146

2019-07-15-----2019-07-15 52.72.80.185

2018-03-14-----2018-05-10 52.206.33.51

2018-05-05-----2018-05-06 52.44.184.120

2018-03-14-----2018-05-05 54.86.104.187

2018-03-14-----2018-03-15 34.238.5.28