'mysql', 'db_host' => 'localhost', 'db_port' => 3306, 'db_database' => 'registry', 'db_username' => 'your_username', 'db_password' => 'your_password', 'whois_ipv4' => '0.0.0.0', 'whois_ipv6' => '::', // Set to false if no IPv6 support 'privacy' => false, 'minimum_data' => false, 'roid' => 'XX', 'rately' => false, 'limit' => 25, 'period' => 60, ];