iP or domain name lookup

app.100.com Server iP：

Current resolution：

domain resolution record：

2023-08-08-----2023-08-08 96.126.123.244

2021-08-04-----2021-08-04 39.106.118.146

2021-08-04-----2021-08-04 47.112.110.255

2017-10-11-----2021-02-28 221.228.79.225

2017-10-11-----2021-02-28 103.227.121.100

2017-10-11-----2021-02-28 120.195.158.46

2021-01-16-----2021-02-28 23.248.168.193

2021-01-16-----2021-02-28 45.43.46.194

2021-01-16-----2021-02-28 14.17.109.66

2021-01-17-----2021-02-28 183.240.168.210

2021-01-17-----2021-02-28 163.177.156.228

2021-01-16-----2021-01-29 45.43.46.195

2019-07-12-----2019-07-12 183.232.136.130

2019-07-12-----2019-07-12 113.107.236.195

2019-07-12-----2019-07-12 122.13.211.66

2017-10-11-----2018-03-23 60.217.250.1