iP or domain name lookup

cambridgeassessment.speedtestcustom.com Server iP：

Current resolution：

domain resolution record：

2021-11-16-----2026-01-14 151.101.2.219

2021-11-16-----2026-01-14 151.101.110.219

2022-08-03-----2026-01-14 146.75.114.219

2024-09-28-----2026-01-14 151.101.90.219

2025-11-19-----2026-01-14 151.101.130.219

2026-01-14-----2026-01-14 199.232.114.219

2026-01-14-----2026-01-14 146.75.50.219

2025-09-26-----2025-11-19 199.232.150.219

2025-11-19-----2025-11-19 151.101.66.219

2025-11-19-----2025-11-19 146.75.46.219

2025-08-05-----2025-09-26 199.232.46.219

2025-08-05-----2025-09-26 146.75.122.219

2025-08-05-----2025-09-26 151.101.42.219

2021-11-16-----2024-09-28 151.101.78.219

2024-09-28-----2024-09-28 151.101.194.219

2021-11-16-----2022-03-30 151.101.74.219

2021-11-16-----2022-03-30 151.101.230.219