iP or domain name lookup

yx.siit.edu.cn Server iP：

Current resolution：

domain resolution record：

2025-02-22-----2025-02-22 159.69.42.212

2023-11-06-----2023-11-06 159.69.83.207

2017-10-14-----2019-07-26 221.224.14.239

2017-09-04-----2017-09-06 42.236.72.75

2017-09-04-----2017-09-05 116.211.121.165

2017-09-04-----2017-09-05 113.200.91.223

2017-09-04-----2017-09-05 116.211.121.141

2017-09-04-----2017-09-05 116.211.121.164

2017-09-04-----2017-09-05 113.200.91.197

2017-09-05-----2017-09-05 42.236.72.76

2017-09-04-----2017-09-04 113.200.91.224

2017-09-04-----2017-09-04 42.236.72.109

2017-09-04-----2017-09-04 42.236.72.111

2017-07-19-----2017-08-07 221.224.14.237