public function all()
    {
        $multi = $this->client->zoneLoadMulti();

        $zones = array_get($multi, 'response.zones.objs');

        $all = new Collection();

        foreach ($zones as $zone) {
            $name = $zone['zone_name'];
            $all->put($name, $this->get($name));
        }

        return $all;
    }