iP or domain name lookup

tjlt.91vps.wang Server iP：

Current resolution：

domain resolution record：

2021-11-28-----2022-03-07 121.5.115.215

2021-11-17-----2021-11-22 60.27.113.119

2021-11-02-----2021-11-03 221.198.212.52

2021-09-15-----2021-09-16 111.162.17.241

2021-08-24-----2021-08-24 221.197.176.191

2021-08-12-----2021-08-12 221.197.179.163

2021-07-17-----2021-07-17 117.15.124.128

2021-07-05-----2021-07-05 221.197.179.74