diff --git a/src/ts/lib/Tools.ts b/src/ts/lib/Tools.ts
index 77ada55..395628c 100644
--- a/src/ts/lib/Tools.ts
+++ b/src/ts/lib/Tools.ts
@@ -113,8 +113,14 @@ export default class Tools
             dns.lookup(uri, (error: any, address: string, family: any) => {
                 // console.log(`${uri} -> ${address}`);
                 
-                if (error.toString().startsWith('Error: getaddrinfo ENOTFOUND')) resolve(true);
-                else if (error) reject(error);
+                if (error)
+                {
+                    if (error.toString().startsWith('Error: getaddrinfo ENOTFOUND'))
+                        resolve(true);
+                    
+                    else reject(error);
+                }
+
                 else resolve(address == '0.0.0.0');
             });
         });