iP or domain name lookup

mail.buct.edu.cn Server iP：

Current resolution：

domain resolution record：

2022-04-16-----2024-09-04 121.195.132.19

2022-04-16-----2024-09-04 121.195.132.18

2022-04-16-----2024-09-04 121.195.132.20

2017-09-16-----2020-12-23 202.4.130.127

2017-09-16-----2020-12-23 202.4.130.131

2017-09-16-----2020-08-17 106.39.22.10

2017-09-16-----2020-08-17 106.39.22.11

2017-09-16-----2020-08-17 106.39.22.9

2019-05-09-----2019-05-17 106.39.22.19

2017-09-16-----2019-04-10 202.4.130.128