Fix off-by-one error that made only two-level domains work

config.go

@@ -77,8 +77,8 @@ func readZoneFile(zoneName, fileName string) (*Zone, error) {
 
 	Zone := new(Zone)
 	Zone.Labels = make(labels)
-	Zone.LenLabels = dns.LenLabels(Zone.Origin)
 	Zone.Origin = zoneName
+	Zone.LenLabels = dns.LenLabels(Zone.Origin)
 
 	if err == nil {
 		var objmap map[string]interface{}

serve.go

@@ -8,7 +8,7 @@ import (
 
 func getQuestionName(z *Zone, req *dns.Msg) string {
 	lx := dns.SplitLabels(req.Question[0].Name)
-	ql := lx[0 : len(lx)-z.LenLabels-1]
+	ql := lx[0 : len(lx)-z.LenLabels]
 	return strings.Join(ql, ".")
 }