iP or domain name lookup

download.2021.tsinghua.edu.cn Server iP：

Current resolution：

domain resolution record：

2021-09-28-----2021-09-28 36.150.51.93

2021-09-28-----2021-09-28 18.162.182.4

2021-09-28-----2021-09-28 183.232.152.116

2021-09-28-----2021-09-28 42.236.79.186

2021-09-28-----2021-09-28 121.12.126.188

2021-09-28-----2021-09-28 111.77.198.83

2021-09-28-----2021-09-28 103.18.209.72

2021-09-28-----2021-09-28 182.254.52.54

2021-09-28-----2021-09-28 117.161.15.137

2021-09-28-----2021-09-28 27.185.224.109

2021-09-28-----2021-09-28 101.71.75.61

2021-09-28-----2021-09-28 125.39.223.220

2021-09-28-----2021-09-28 116.211.185.114

2021-09-28-----2021-09-28 125.39.223.196