iP or domain name lookup

smtp.partner.outlook.cn Server iP：

Current resolution：

domain resolution record：

2020-06-22-----2024-09-24 40.73.132.66

2020-06-23-----2024-09-24 40.73.132.2

2020-06-30-----2024-09-24 40.73.164.130

2022-11-07-----2024-09-24 42.159.45.130

2022-11-07-----2024-09-24 42.159.172.130

2022-11-07-----2024-09-24 42.159.45.2

2022-11-07-----2024-09-24 42.159.172.82

2020-06-19-----2024-09-23 40.73.164.194

2017-05-12-----2022-10-17 42.159.163.130

2017-05-12-----2022-10-17 42.159.40.2

2017-05-12-----2022-10-17 42.159.40.66

2017-05-12-----2022-10-17 42.159.163.194

2020-10-13-----2020-10-13 107.155.25.124

2019-12-08-----2020-01-14 106.120.83.146

2020-01-06-----2020-01-14 106.120.83.130

2020-01-06-----2020-01-06 106.48.53.63