Files
tools/.hta_slug/dns-tools-get-a-record.php
2026-01-27 13:52:31 +05:30

128 lines
3.0 KiB
PHP

<?php
require_once __DIR__ . '/../.hta_config/conf.php';
applyApiHeaders($API_HEADERS);
handleCorsPreflight();
// -------------------------------
// Allow only POST
// -------------------------------
if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
http_response_code(405);
echo json_encode([
'success' => false,
'message' => 'Only POST method allowed'
]);
exit;
}
// -------------------------------
// Read JSON body
// -------------------------------
$rawInput = file_get_contents('php://input');
$data = json_decode($rawInput, true);
if (!is_array($data)) {
http_response_code(400);
echo json_encode([
'success' => false,
'message' => 'Invalid JSON payload'
]);
exit;
}
// -------------------------------
// Normalize domain
// -------------------------------
$domain = trim($data['domain'] ?? '');
$domain = preg_replace('#^https?://#', '', $domain);
$domain = preg_replace('#/.*$#', '', $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;
}
// -------------------------------
// DNS lookup with timing
// -------------------------------
$startTime = microtime(true);
$records = dns_get_record($domain, DNS_A);
$lookupTimeMs = round((microtime(true) - $startTime) * 1000, 2);
// -------------------------------
// Resolver info
// -------------------------------
$resolver = 'hosting-default';
// -------------------------------
// Provider detection (heuristic)
// -------------------------------
function detectProvider(string $ip): string
{
if (preg_match('/^(104\.|172\.6[4-7]\.)/', $ip)) {
return 'Cloudflare';
}
if (preg_match('/^(13\.|15\.|52\.|54\.)/', $ip)) {
return 'AWS';
}
if (preg_match('/^(34\.|35\.)/', $ip)) {
return 'Google Cloud';
}
return 'Unknown';
}
// -------------------------------
// Build records
// -------------------------------
$result = [];
if ($records !== false) {
foreach ($records as $record) {
if (!empty($record['ip'])) {
$result[] = [
'ip' => $record['ip'],
'ttl' => $record['ttl'] ?? null,
'provider' => detectProvider($record['ip'])
];
}
}
}
// -------------------------------
// Response
// -------------------------------
if (empty($result)) {
echo json_encode([
'success' => false,
'domain' => $domain,
'message' => 'No A records found',
'records' => []
]);
exit;
}
echo json_encode([
'success' => true,
'domain' => $domain,
'record_count' => count($result),
'lookup_time_ms' => $lookupTimeMs,
'resolver' => $resolver,
'records' => $result
]);