iP or domain name lookup

nvk102.klasna.com Server iP：

Current resolution：

domain resolution record：

2021-08-10-----2023-09-24 104.21.64.248

2021-08-10-----2023-09-24 172.67.188.55

2019-10-01-----2019-10-02 104.24.117.150

2019-10-01-----2019-10-02 104.24.116.150

2018-04-23-----2019-08-18 104.31.91.9

2018-04-23-----2019-08-18 104.31.90.9