query($any)->then(function (Message $message) { foreach ($message->answers as $answer) { /* @var $answer Record */ $data = $answer->data; switch ($answer->type) { case Message::TYPE_A: $type = 'A'; break; case Message::TYPE_AAAA: $type = 'AAAA'; break; case Message::TYPE_NS: $type = 'NS'; break; case Message::TYPE_PTR: $type = 'PTR'; break; case Message::TYPE_CNAME: $type = 'CNAME'; break; case Message::TYPE_TXT: // TXT records can contain a list of (binary) strings for each record. // here, we assume this is printable ASCII and simply concatenate output $type = 'TXT'; $data = implode('', $data); break; case Message::TYPE_MX: // MX records contain "priority" and "target", only dump its values here $type = 'MX'; $data = implode(' ', $data); break; case Message::TYPE_SRV: // SRV records contain priority, weight, port and target, dump structure here $type = 'SRV'; $data = json_encode($data); break; case Message::TYPE_SSHFP: // SSHFP records contain algorithm, fingerprint type and hex fingerprint value $type = 'SSHFP'; $data = implode(' ', $data); break; case Message::TYPE_SOA: // SOA records contain structured data, dump structure here $type = 'SOA'; $data = json_encode($data); break; case Message::TYPE_CAA: // CAA records contains flag, tag and value $type = 'CAA'; $data = $data['flag'] . ' ' . $data['tag'] . ' "' . $data['value'] . '"'; break; default: // unknown type uses HEX format $type = 'TYPE' . $answer->type; $data = wordwrap(strtoupper(bin2hex($data)), 2, ' ', true); } echo $type . ': ' . $data . PHP_EOL; } }, 'printf');