iP or domain name lookup

hkg-efz.office.com Server iP：

Current resolution：

domain resolution record：

2023-10-06-----2023-10-06 45.56.79.23

2019-12-16-----2021-08-11 40.100.54.210

2019-12-16-----2021-08-11 40.100.2.98

2019-12-16-----2021-08-11 40.100.2.114

2019-12-16-----2021-08-11 52.98.85.194

2019-12-16-----2021-08-11 40.100.54.34

2020-02-13-----2021-08-11 40.100.54.242

2020-02-13-----2021-08-11 52.98.40.66

2020-02-13-----2021-08-11 40.100.54.226

2019-12-16-----2021-08-04 52.98.77.98

2019-12-16-----2021-08-04 40.100.54.2

2019-12-16-----2021-08-04 40.100.54.194

2019-12-16-----2021-08-04 52.98.37.34

2020-02-13-----2021-08-04 40.100.54.18

2020-11-11-----2021-08-04 52.98.42.226

2020-11-11-----2021-08-04 52.98.42.194

2019-12-16-----2021-05-28 40.100.2.82