iP or domain name lookup

app.apptudou.xyz Server iP：

Current resolution：

domain resolution record：

2021-02-01-----2021-02-16 13.57.45.205

2021-02-16-----2021-02-16 13.250.204.252

2021-02-16-----2021-02-16 18.195.231.212

2021-02-01-----2021-02-02 52.78.227.227

2021-02-01-----2021-02-02 3.34.35.189

2021-02-01-----2021-02-02 18.185.164.1

2021-02-01-----2021-02-02 54.205.203.210

2021-02-01-----2021-02-02 52.60.37.199

2021-02-01-----2021-02-02 54.79.36.20

2021-02-01-----2021-02-02 15.207.160.111

2021-02-01-----2021-02-01 154.209.241.67

2021-02-01-----2021-02-01 154.209.241.98

2021-02-01-----2021-02-01 45.195.15.139

2021-02-01-----2021-02-01 54.89.68.2

2021-02-01-----2021-02-01 18.210.182.60

2021-02-01-----2021-02-01 34.192.238.26