iP or domain name lookup

bjb.xjtu.edu.cn Server iP：

Current resolution：

domain resolution record：

2020-12-12-----2026-02-23 202.117.18.236

2022-02-15-----2022-06-07 183.222.96.192

2022-02-15-----2022-06-07 1.31.128.235

2022-06-07-----2022-06-07 42.81.219.25

2022-06-07-----2022-06-07 111.47.226.213

2022-06-07-----2022-06-07 42.202.155.152

2022-02-15-----2022-02-15 117.23.61.159

2022-02-15-----2022-02-15 122.228.238.15

2022-02-15-----2022-02-15 175.6.201.152

2022-02-15-----2022-02-15 111.202.98.80

2019-05-20-----2019-10-11 202.117.18.248

2017-09-04-----2018-01-21 219.245.39.48

2017-03-19-----2017-03-19 202.117.1.175