iP or domain name lookup

apc.delve.office.com Server iP：

Current resolution：

domain resolution record：

2025-07-01-----2025-10-12 20.236.44.162

2025-07-01-----2025-10-12 20.231.239.246

2025-07-01-----2025-10-12 20.76.201.171

2025-10-12-----2025-10-12 20.112.250.133

2023-06-11-----2023-08-19 52.111.240.10

2023-06-11-----2023-08-19 52.111.204.0

2023-06-11-----2023-08-19 52.111.232.8

2022-04-14-----2023-07-26 52.111.234.2

2019-05-31-----2019-12-12 52.109.120.63

2019-05-31-----2019-07-16 52.109.124.65

2018-01-17-----2018-01-19 207.46.156.124

2018-01-17-----2018-01-17 52.187.42.197