iP or domain name lookup

shenniu.njtcczo.cn Server iP：

Current resolution：

domain resolution record：

2021-01-17-----2021-01-19 47.57.187.19

2021-01-17-----2021-01-19 47.57.136.44

2021-01-17-----2021-01-19 119.8.236.55

2021-01-19-----2021-01-19 129.226.123.13

2021-01-19-----2021-01-19 159.138.4.255

2021-01-19-----2021-01-19 191.101.47.21

2021-01-19-----2021-01-19 124.156.98.55

2021-01-17-----2021-01-17 47.57.232.20

2021-01-17-----2021-01-17 150.109.120.136

2021-01-17-----2021-01-17 191.101.47.36

2021-01-17-----2021-01-17 154.85.60.147

2021-01-17-----2021-01-17 47.57.143.206