diff --git a/cmd/root.go b/cmd/root.go
index aca1bcb..03d6006 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -27,7 +27,10 @@ var RootCmd = &cobra.Command{
 			dnsresolver.SetCustomDNSServer(flags.CustomDNS)
 			log.Printf("Using custom DNS server: %s", flags.CustomDNS)
 		} else {
-			log.Printf("Using default DNS servers, primary: %s", dnsresolver.DNSServers[0])
+			log.Printf("Using default DNS servers, primary: %s (failover servers available)", dnsresolver.DNSServers[0])
+			if len(dnsresolver.DNSServers) > 1 {
+				log.Printf("Available failover DNS servers: %v", dnsresolver.DNSServers[1:])
+			}
 		}
 
 		// Auto discovery
@@ -110,6 +113,6 @@ func init() {
 	RootCmd.PersistentFlags().StringVar(&flags.CFAccessClientID, "cf-access-client-id", "", "Cloudflare Access Client ID")
 	RootCmd.PersistentFlags().StringVar(&flags.CFAccessClientSecret, "cf-access-client-secret", "", "Cloudflare Access Client Secret")
 	RootCmd.PersistentFlags().BoolVar(&flags.MemoryIncludeCache, "memory-include-cache", false, "Include cache/buffer in memory usage")
-	RootCmd.PersistentFlags().StringVar(&flags.CustomDNS, "custom-dns", "", "Custom DNS server to use (e.g. 8.8.8.8)")
+	RootCmd.PersistentFlags().StringVar(&flags.CustomDNS, "custom-dns", "", "Custom DNS server to use (e.g. 8.8.8.8, 114.114.114.114). By default, the program will use multiple built-in DNS servers with failover support.")
 	RootCmd.PersistentFlags().ParseErrorsWhitelist.UnknownFlags = true
 }