71 lines
1.4 KiB
PHP
71 lines
1.4 KiB
PHP
<?php
|
|
/**
|
|
* DNS NS Record Lookup API
|
|
* Endpoint: /dns-tools-get-ns-record
|
|
* Method: POST
|
|
* Content-Type: application/json
|
|
*/
|
|
|
|
header('Content-Type: application/json; charset=utf-8');
|
|
|
|
// Allow only POST requests
|
|
if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
|
|
http_response_code(405);
|
|
echo json_encode([
|
|
'success' => false,
|
|
'message' => 'Only POST method allowed'
|
|
]);
|
|
exit;
|
|
}
|
|
|
|
// Read JSON body
|
|
$input = json_decode(file_get_contents('php://input'), true);
|
|
$domain = $input['domain'] ?? '';
|
|
|
|
// Domain validation
|
|
function validateDomain(string $domain): bool
|
|
{
|
|
return (bool) preg_match(
|
|
'/^(?!-)(?:[a-zA-Z0-9-]{1,63}\.)+[a-zA-Z]{2,}$/',
|
|
$domain
|
|
);
|
|
}
|
|
|
|
if (!$domain || !validateDomain($domain)) {
|
|
http_response_code(400);
|
|
echo json_encode([
|
|
'success' => false,
|
|
'message' => 'Invalid domain'
|
|
]);
|
|
exit;
|
|
}
|
|
|
|
// Fetch NS records
|
|
$records = dns_get_record($domain, DNS_NS);
|
|
$nsRecords = [];
|
|
|
|
if ($records !== false) {
|
|
foreach ($records as $record) {
|
|
if (!empty($record['target'])) {
|
|
$nsRecords[] = $record['target'];
|
|
}
|
|
}
|
|
}
|
|
|
|
// Response
|
|
if (empty($nsRecords)) {
|
|
echo json_encode([
|
|
'success' => false,
|
|
'domain' => $domain,
|
|
'message' => 'No NS records found',
|
|
'records' => []
|
|
]);
|
|
exit;
|
|
}
|
|
|
|
echo json_encode([
|
|
'success' => true,
|
|
'domain' => $domain,
|
|
'records' => $nsRecords
|
|
]);
|