iP or domain name lookup

qust.com Server iP：

Current resolution：

domain resolution record：

2023-08-10-----2024-03-15 54.168.184.61

2023-08-10-----2024-03-15 54.169.189.116

2024-03-15-----2024-03-15 15.164.171.5

2023-05-12-----2024-01-12 3.35.52.167

2023-05-12-----2024-01-12 52.78.76.213

2023-05-12-----2024-01-12 13.125.151.40

2022-08-08-----2023-06-28 18.181.217.11

2022-08-08-----2023-06-28 13.213.61.129

2022-04-26-----2023-02-17 3.35.8.113

2022-04-26-----2023-02-17 15.164.227.64

2022-04-26-----2023-02-17 52.79.206.201

2022-04-26-----2022-06-28 13.230.138.127

2022-04-26-----2022-06-28 13.228.77.229