Fix name normalization

Author: kelunik

src/Rfc1035StubDnsResolver.php

@@ -154,7 +154,7 @@ public function resolve(string $name, ?int $typeRestriction = null, ?Cancellatio
         foreach ($searchList as $searchIndex => $search) {
             for ($redirects = 0; $redirects < 5; $redirects++) {
                 $searchName = match ($search) {
-                    '.' => \rtrim($name, '.') . '.',
+                    '.' => $name,
                     default => $name . '.' . $search,
                 };