iP or domain name lookup

bbs.stmit.com Server iP：

Current resolution：

domain resolution record：

2023-10-17-----2024-09-05 154.12.30.206

2024-09-05-----2024-09-05 156.238.249.43

2022-05-18-----2023-09-18 103.214.141.251

2019-07-04-----2020-09-30 156.236.115.91

2017-10-13-----2018-03-19 118.184.66.185

2017-09-13-----2017-09-22 192.184.62.16

2017-04-18-----2017-07-26 118.193.217.181

2016-12-21-----2016-12-22 103.39.79.193