portal.office.com服务器iP：
当前解析：
历史解析记录：
2016-01-04-----2024-04-29 13.107.6.156
2018-01-19-----2024-04-16 13.107.9.156
2023-05-27-----2023-05-27 52.109.132.103
2020-09-11-----2022-06-13 52.109.132.55
2021-02-24-----2021-03-30 52.109.88.54
2021-03-27-----2021-03-30 52.109.124.95
2020-09-18-----2021-03-27 52.109.112.74
2020-09-18-----2021-03-04 52.109.124.76
2020-09-23-----2021-02-24 52.109.2.44
2020-09-23-----2020-09-23 52.109.68.40
2016-12-02-----2020-03-17 13.107.7.190