fix: handle zone argument correctly

cli/internal/validate.go

@@ -279,12 +279,14 @@ func EnsureDNSValueFlag(c *cli.Context) error {
 
 // EnsureZoneArgument ensures a zone argument is present.
 func EnsureZoneArgument(c *cli.Context) (string, error) {
-	var zone string
-	if c.Args().First() == "" && !NoInput {
+	zone := c.Args().First()
+
+	if zone == "" && !NoInput {
 		prompt := &survey.Input{
 			Message: "Specify a domain name zone",
 			Default: "example.com",
 		}
+
 		if err := survey.AskOne(prompt, &zone); err != nil {
 			return zone, err
 		}