iP or domain name lookup

cn1.cu101.city Server iP：

Current resolution：

domain resolution record：

2024-10-23-----2024-10-25 20.2.56.245

2024-10-25-----2024-10-25 4.192.72.192

2024-10-16-----2024-10-16 20.6.178.137

2024-10-16-----2024-10-16 4.144.38.246

2024-10-10-----2024-10-11 4.144.43.112

2024-10-10-----2024-10-11 20.6.158.46

2024-10-11-----2024-10-11 4.144.36.250

2024-10-04-----2024-10-05 4.144.59.86

2024-10-05-----2024-10-05 4.144.57.240

2024-06-10-----2024-06-10 20.255.115.25