iP or domain name lookup

dev.renren.com Server iP：

Current resolution：

domain resolution record：

2022-11-03-----2023-10-05 120.133.12.123

2022-11-03-----2023-10-05 120.133.12.124

2021-11-11-----2021-11-11 120.133.2.151

2021-11-11-----2021-11-11 120.133.2.152

2017-09-01-----2021-10-09 120.133.2.241

2017-09-03-----2021-10-09 120.133.2.242

2017-09-01-----2021-03-14 120.133.2.243

2019-07-05-----2021-03-14 120.133.2.210

2017-09-01-----2018-03-23 103.235.252.231

2017-09-01-----2018-03-23 103.235.252.17

2017-09-05-----2018-03-23 103.235.252.233

2017-09-05-----2018-03-23 103.235.252.212

2017-09-05-----2017-09-05 103.235.252.213

2017-09-03-----2017-09-04 103.235.252.211

2017-09-01-----2017-09-03 103.235.252.232