iP or domain name lookup

openapi.ap.ngrok.io Server iP：

Current resolution：

domain resolution record：

2023-12-01-----2023-12-01 3.125.209.94

2023-12-01-----2023-12-01 18.177.60.68

2023-12-01-----2023-12-01 184.72.44.51

2023-12-01-----2023-12-01 52.220.121.212

2019-07-16-----2019-11-25 18.138.16.39

2019-07-16-----2019-10-11 18.138.127.103

2019-07-16-----2019-10-11 52.221.127.89

2017-08-14-----2017-08-15 52.76.246.79

2017-08-14-----2017-08-14 52.74.138.65

2017-08-14-----2017-08-14 52.76.151.61