iP or domain name lookup

smtp.hnust.edu.cn Server iP：

Current resolution：

domain resolution record：

2026-02-27-----2026-02-27 14.22.3.51

2026-02-27-----2026-02-27 120.232.27.164

2026-02-27-----2026-02-27 119.147.6.199

2026-02-27-----2026-02-27 101.32.113.90

2026-02-27-----2026-02-27 157.148.45.129

2026-02-27-----2026-02-27 119.147.3.176

2026-02-27-----2026-02-27 157.255.202.11

2026-02-27-----2026-02-27 124.156.190.79

2026-02-27-----2026-02-27 157.148.36.163

2026-02-27-----2026-02-27 112.60.20.192

2026-02-27-----2026-02-27 119.147.3.196

2026-02-27-----2026-02-27 119.147.6.245

2026-02-27-----2026-02-27 14.22.9.228

2026-02-27-----2026-02-27 14.22.3.39