protected function execute(InputInterface $input, OutputInterface $output)
 {
     $rage4 = $this->getRage4DNS($input->getOption('credentials'));
     $types = $rage4->records->getTypes();
     $content = array();
     foreach ($types as $type) {
         $content[] = $type->getTableRow();
     }
     $this->renderTable(RecordType::getTableHeaders(), $content, $output);
 }