--- fsockopen test ---
Port 1870 su 159.89.4.37 NON raggiungibile via fsockopen ❌
Errore 111: Connection refused

--- cURL test ---
cURL error: Failed to connect to 159.89.4.37 port 1870 after 1001 ms: Could not connect to server

--- Ping test ---
Host 159.89.4.37 raggiungibile via ping ✅