iP or domain name lookup

sim.usr.cn Server iP：

Current resolution：

domain resolution record：

2024-07-17-----2024-07-31 121.207.229.252

2024-07-17-----2024-07-31 42.248.140.61

2024-07-17-----2024-07-31 182.242.63.204

2024-07-17-----2024-07-31 106.42.215.212

2024-07-17-----2024-07-31 180.213.251.218

2024-07-17-----2024-07-31 111.170.24.240

2024-07-17-----2024-07-31 180.163.146.105

2024-07-17-----2024-07-31 119.188.172.250

2024-07-17-----2024-07-31 116.117.158.103

2024-07-22-----2024-07-31 58.218.215.151

2024-07-22-----2024-07-31 111.13.181.99

2024-07-22-----2024-07-31 223.111.24.91

2024-07-30-----2024-07-31 119.147.148.206

2024-07-30-----2024-07-31 221.194.163.251

2024-07-31-----2024-07-31 183.195.234.236

2024-07-31-----2024-07-31 124.238.245.113

2024-07-31-----2024-07-31 61.48.83.190

2024-07-17-----2024-07-30 117.135.134.252

2024-07-17-----2024-07-30 124.236.110.253

2024-07-30-----2024-07-30 58.243.181.191

2024-07-17-----2024-07-22 121.29.38.200

2024-07-22-----2024-07-22 61.160.192.98

2024-07-17-----2024-07-17 111.62.25.112

2024-07-17-----2024-07-17 58.220.52.253

2024-07-17-----2024-07-17 117.21.178.216