PHP

DNS Query NS Records

See more DNS Examples

Shows how to perform a DNS query to retrieve NS records.

Note: This example requires Chilkat v9.5.0.96 or later.

Chilkat2 PHP

<?php

use Chilkat2\Dns;
use Chilkat2\JsonObject;

$success = false;

$dns = new Dns();

$json = new JsonObject();
$json->EmitCompact = false;

$success = $dns->Query('NS', 'x.com', $json);
if (!$success) {
    echo $dns->LastErrorText, "\n";
    exit;
}

echo $json->Emit(), "\n";

// Sample response.
// Parsing code below..

// {
//   "answer": {
//     "ns": [
//       {
//         "name": "x.com",
//         "ttl": 86400,
//         "domain": "alexia.ns.cloudflare.com"
//       },
//       {
//         "name": "x.com",
//         "ttl": 86400,
//         "domain": "tosana.ns.cloudflare.com"
//       }
//     ]
//   }
// }

// Use this online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

$name = '';
$ttl = 0;
$domain = '';

$i = 0;
$count_i = $json->SizeOfArray('answer.ns');
while ($i < $count_i) {
    $json->I = $i;
    $name = $json->StringOf('answer.ns[i].name');
    $ttl = $json->IntOf('answer.ns[i].ttl');
    $domain = $json->StringOf('answer.ns[i].domain');
    $i = $i + 1;
}