iP or domain name lookup

robocon2021.com Server iP：

Current resolution：

domain resolution record：

2024-04-25-----2024-07-27 116.115.69.9

2024-07-27-----2024-07-27 152.32.128.246

2024-07-27-----2024-07-27 116.115.69.3

2024-04-25-----2024-05-26 123.59.154.166

2024-04-25-----2024-04-25 18.162.98.31

2023-08-24-----2024-02-20 123.59.154.172

2024-01-28-----2024-02-20 123.59.154.160

2024-02-20-----2024-02-20 18.162.237.23

2023-08-24-----2024-01-28 120.133.2.72

2024-01-28-----2024-01-28 43.198.27.60

2024-01-28-----2024-01-28 16.162.145.134

2024-01-13-----2024-01-13 18.163.17.131

2024-01-13-----2024-01-13 18.166.79.7

2023-10-10-----2023-10-10 18.167.254.61

2023-10-10-----2023-10-10 18.163.92.247

2023-09-02-----2023-09-11 43.198.35.115

2023-09-11-----2023-09-11 16.163.47.162

2023-09-02-----2023-09-02 18.167.114.82

2023-08-24-----2023-08-24 18.166.130.103

2023-08-24-----2023-08-24 18.162.220.175