private function getAgeArchiveOrg($domain)
    {
        $response = $this->getUrl('https://archive.org/wayback/available?timestamp=19900101&url=' . urlencode($domain));
        $data = json_decode($response, true);
        if (empty($data["archived_snapshots"]["closest"]["timestamp"])) {
            return 0;
        }
        return strtotime($data["archived_snapshots"]["closest"]["timestamp"]);
    }