iP or domain name lookup

app.certum.cn Server iP：

Current resolution：

domain resolution record：

2024-05-20-----2024-05-20 111.123.250.114

2024-05-20-----2024-05-20 42.202.164.131

2024-05-20-----2024-05-20 123.161.58.100

2024-05-20-----2024-05-20 117.187.245.242

2024-05-20-----2024-05-20 43.152.23.34

2024-05-20-----2024-05-20 111.123.250.91

2024-05-20-----2024-05-20 61.170.88.228

2024-05-20-----2024-05-20 60.28.220.196

2024-05-20-----2024-05-20 183.245.148.72

2024-05-20-----2024-05-20 106.225.221.115

2024-05-20-----2024-05-20 49.7.69.242

2024-05-20-----2024-05-20 58.221.30.135

2024-05-20-----2024-05-20 110.249.196.101

2024-05-20-----2024-05-20 183.136.219.238

2024-05-20-----2024-05-20 182.242.216.243

2024-05-20-----2024-05-20 121.51.49.19

2024-05-20-----2024-05-20 111.123.250.92

2024-05-20-----2024-05-20 42.56.81.104

2024-05-20-----2024-05-20 124.225.14.101

2024-05-20-----2024-05-20 36.25.254.9

2024-05-20-----2024-05-20 61.170.88.242

2024-03-05-----2024-05-16 172.67.211.254

2024-03-05-----2024-05-16 104.21.53.102

2024-04-10-----2024-04-10 188.114.96.3