iP or domain name lookup

c.mooc.baosteel.com Server iP：

Current resolution：

domain resolution record：

2023-08-21-----2023-08-21 163.171.130.138

2023-08-21-----2023-08-21 157.185.175.107

2023-08-21-----2023-08-21 14.128.0.77

2023-08-21-----2023-08-21 138.113.112.221

2023-01-06-----2023-03-06 112.240.57.173

2023-01-06-----2023-03-06 163.171.198.241

2023-01-06-----2023-03-06 124.236.26.54

2023-03-06-----2023-03-06 122.228.91.100

2023-03-06-----2023-03-06 49.71.77.96

2023-03-06-----2023-03-06 49.71.77.71

2023-03-06-----2023-03-06 36.156.76.87

2023-01-06-----2023-01-06 49.71.77.75

2023-01-06-----2023-01-06 49.79.232.42

2023-01-06-----2023-01-06 42.81.116.69

2023-01-06-----2023-01-06 58.220.69.176

2023-01-06-----2023-01-06 223.111.205.242

2020-05-14-----2022-10-13 117.144.123.13