iP or domain name lookup

smart.mail.126.com Server iP：

Current resolution：

domain resolution record：

2024-12-09-----2024-12-09 111.124.203.38

2024-05-10-----2024-08-10 220.197.30.204

2024-05-10-----2024-08-10 111.124.200.204

2024-05-10-----2024-08-10 117.135.207.204

2022-03-08-----2023-08-31 220.181.72.180

2022-03-08-----2023-08-31 123.126.96.181

2017-07-06-----2020-09-29 220.181.12.218

2019-07-17-----2020-09-29 123.126.96.210

2017-07-06-----2018-01-17 123.125.50.22