iP or domain name lookup

jiangsu.dengjuqingxi.com Server iP：

Current resolution：

domain resolution record：

2021-01-30-----2021-02-24 103.21.140.177

2021-01-30-----2021-02-24 103.21.142.65

2021-01-30-----2021-02-24 103.21.140.212

2021-01-30-----2021-02-24 103.21.140.126

2021-01-30-----2021-02-24 103.21.142.88

2021-01-30-----2021-02-24 103.21.142.86

2021-02-24-----2021-02-24 103.21.140.176

2021-02-24-----2021-02-24 103.21.142.59

2021-01-30-----2021-01-30 103.21.140.210

2021-01-30-----2021-01-30 103.21.142.54

2021-01-30-----2021-01-30 103.21.142.91