diff --git a/pkg/meshname/server.go b/pkg/meshname/server.go
index 0420d5f..cdd8112 100644
--- a/pkg/meshname/server.go
+++ b/pkg/meshname/server.go
@@ -105,11 +105,11 @@ func (s *MeshnameServer) handleMeshnameRequest(w dns.ResponseWriter, r *dns.Msg)
 		}
 
 		// process domain
-		input := strings.TrimSuffix(q.Name, ".")
+		input := strings.ToLower(strings.TrimSuffix(q.Name, "."))
 		subDomain := ""
 		tld := ""
 		for i := range tldList {
-			t := tldList[i]
+			t := strings.ToLower(tldList[i])
 			if strings.HasSuffix(input, "."+t) {
 				// define tld
 				tld = t