iP or domain name lookup

ftp.appspot.com Server iP：

Current resolution：

domain resolution record：

2023-08-27-----2024-03-28 142.251.175.153

2024-03-28-----2024-03-28 142.250.189.244

2024-03-28-----2024-03-28 142.250.185.148

2024-03-28-----2024-03-28 216.58.220.148

2020-12-06-----2023-08-27 142.250.72.244

2023-08-27-----2023-08-27 142.250.186.148

2023-08-27-----2023-08-27 142.251.42.212

2022-11-05-----2022-11-05 172.217.16.148

2022-11-05-----2022-11-05 142.250.4.153

2022-11-05-----2022-11-05 172.217.31.148

2022-11-05-----2022-11-05 142.251.46.212

2020-12-06-----2020-12-06 172.217.22.52

2020-12-06-----2020-12-06 216.58.193.212

2020-12-06-----2020-12-06 172.217.194.153

2020-12-06-----2020-12-06 172.217.18.180