PHP

DNS Query TXT Records

See more DNS Examples

Shows how to perform a DNS query to retrieve TXT 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('TXT', 'x.com', $json);
if (!$success) {
    echo $dns->LastErrorText, "\n";
    exit;
}

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

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

// {
//   "answer": {
//     "txt": [
//       {
//         "name": "x.com",
//         "ttl": 300,
//         "text": "kkdl3qb3tcrmdhfsm803p67r0my0svs8"
//       },
//       {
//         "name": "x.com",
//         "ttl": 300,
//         "text": "v=spf1 ip4:199.16.156.128/26 ip4:199.59.150.64/26 include:_spf.google.com include:spf-008d0a01.pphosted.com -all"
//       },
//       {
//         "name": "x.com",
//         "ttl": 300,
//         "text": "google-site-verification=8yQmoVhQedzlt36RPeQP41ytrEFk9aHEnde_xm0626g"
//       },
//       {
//         "name": "x.com",
//         "ttl": 300,
//         "text": "google-site-verification=F6u9mGL--d2lbLljvH3b1UUgXtevQPdcamKr9c8914A"
//       }
//     ]
//   }
// }

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

$name = '';
$ttl = 0;
$text = '';

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