iP or domain name lookup

av91.mdxx.xyz Server iP：

Current resolution：

domain resolution record：

2024-01-07-----2024-10-02 104.21.81.154

2024-01-07-----2024-10-02 172.67.144.172

2024-09-30-----2024-09-30 188.114.96.3

2024-01-12-----2024-01-21 156.251.239.146

2024-01-20-----2024-01-20 156.251.239.11

2024-01-17-----2024-01-17 156.251.239.178

2024-01-16-----2024-01-16 156.251.239.147

2024-01-12-----2024-01-12 156.251.239.101