iP or domain name lookup

mail.rredu.com.cn Server iP：

Current resolution：

domain resolution record：

2025-12-23-----2026-03-01 103.126.92.250

2025-12-23-----2026-03-01 103.126.92.249

2022-05-27-----2022-05-27 123.125.41.65

2022-05-27-----2022-05-27 103.129.255.182

2022-05-27-----2022-05-27 106.38.232.65

2017-03-15-----2019-07-27 220.181.72.229

2019-07-15-----2019-07-27 220.194.24.216

2017-03-15-----2019-01-10 123.125.50.215

2016-11-16-----2017-03-15 43.230.90.3