iP or domain name lookup

c2rsetup.officeapps.live.com Server iP：

Current resolution：

domain resolution record：

2019-04-24-----2024-04-19 52.109.16.18

2024-02-06-----2024-04-19 52.111.236.68

2024-03-08-----2024-04-19 52.111.243.71

2024-03-08-----2024-04-19 52.111.239.44

2024-02-06-----2024-03-22 52.111.229.117

2022-08-13-----2024-01-27 52.109.76.224

2023-06-13-----2024-01-27 52.109.12.4

2022-08-13-----2023-12-27 52.109.88.176

2022-08-13-----2023-12-27 52.109.16.108

2022-08-13-----2023-11-23 52.109.20.74

2019-08-07-----2021-01-23 52.168.77.139

2019-08-07-----2021-01-23 137.135.129.91

2019-04-24-----2020-12-05 52.109.20.8

2019-04-24-----2020-12-05 52.109.88.45

2017-02-06-----2017-04-19 40.84.193.117

2017-02-06-----2017-04-18 104.40.221.48

2017-02-06-----2017-04-18 23.96.251.203