iP or domain name lookup

mail.stealien.com Server iP：

Current resolution：

domain resolution record：

2022-08-04-----2023-04-03 172.217.160.83

2022-08-04-----2023-04-03 172.217.163.51

2022-08-04-----2023-04-03 142.251.42.243

2023-04-03-----2023-04-03 142.251.220.115

2022-08-04-----2023-01-26 142.251.43.19

2023-01-26-----2023-01-26 172.217.31.19

2022-08-04-----2022-08-17 172.217.160.115

2022-08-06-----2022-08-17 172.217.27.51

2022-08-04-----2022-08-06 142.250.199.83

2022-08-06-----2022-08-06 142.250.204.147