iP or domain name lookup

uci.officeapps.live.com Server iP：

Current resolution：

domain resolution record：

2024-02-08-----2024-05-01 52.111.243.67

2024-02-08-----2024-05-01 52.109.0.125

2024-02-08-----2024-05-01 52.111.240.52

2024-03-15-----2024-05-01 52.111.232.53

2024-04-11-----2024-04-29 52.109.2.7

2024-02-28-----2024-04-27 52.111.243.68

2024-02-28-----2024-04-27 52.111.240.51

2024-02-28-----2024-04-26 52.109.0.124

2024-02-29-----2024-04-26 52.111.243.66

2024-02-08-----2024-04-22 52.111.232.51

2024-02-28-----2024-04-17 52.111.232.52

2020-09-23-----2020-09-23 52.109.2.99

2020-09-23-----2020-09-23 52.109.88.66

2020-09-23-----2020-09-23 52.109.124.43