iP or domain name lookup

concur.kr Server iP：

Current resolution：

domain resolution record：

2024-03-28-----2024-03-28 23.37.43.87

2024-03-28-----2024-03-28 125.252.231.153

2024-03-28-----2024-03-28 23.51.131.201

2024-03-28-----2024-03-28 23.56.120.180

2021-04-05-----2021-04-05 125.56.213.83

2021-04-05-----2021-04-05 23.7.172.26

2021-04-05-----2021-04-05 23.41.46.215

2021-04-05-----2021-04-05 104.100.104.173

2021-04-05-----2021-04-05 23.77.60.208

2021-04-05-----2021-04-05 23.35.167.26

2021-04-05-----2021-04-05 96.16.181.53