iP or domain name lookup

nas.dl999.cn Server iP：

Current resolution：

domain resolution record：

2026-02-23-----2026-02-23 117.92.60.51

2026-02-02-----2026-02-02 117.92.60.39

2026-01-15-----2026-01-15 117.92.60.49

2025-11-02-----2025-11-02 49.88.221.246

2025-09-07-----2025-09-10 122.194.225.138