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(PHP ActiveX) DNS Query MX RecordsSee more DNS ExamplesShows how to perform a DNS query to retrieve MX records. Note: This example requires Chilkat v9.5.0.96 or later.
<?php // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Dns') $dns = new COM("Chilkat.Dns"); // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject') $json = new COM("Chilkat.JsonObject"); $json->EmitCompact = 0; $success = $dns->Query('MX','somebody@gmail.com',$json); if ($success == 0) { print $dns->LastErrorText . "\n"; exit; } print $json->emit() . "\n"; // Sample response. // Parsing code below.. // ------------------------------------------------------------------------------- // Note: Chilkat will return the results sorted by "pref" from lowest to highest. // ------------------------------------------------------------------------------- // { // "answer": { // "mx": [ // { // "name": "gmail.com", // "ttl": 491, // "pref": 5, // "domain": "gmail-smtp-in.l.google.com" // }, // { // "name": "gmail.com", // "ttl": 491, // "pref": 10, // "domain": "alt1.gmail-smtp-in.l.google.com" // }, // { // "name": "gmail.com", // "ttl": 491, // "pref": 20, // "domain": "alt2.gmail-smtp-in.l.google.com" // }, // { // "name": "gmail.com", // "ttl": 491, // "pref": 30, // "domain": "alt3.gmail-smtp-in.l.google.com" // }, // { // "name": "gmail.com", // "ttl": 491, // "pref": 40, // "domain": "alt4.gmail-smtp-in.l.google.com" // } // ] // } // } // Use this online tool to generate parsing code from sample JSON: // Generate Parsing Code from JSON $i = 0; $count_i = $json->SizeOfArray('answer.mx'); while ($i < $count_i) { $json->I = $i; $name = $json->stringOf('answer.mx[i].name'); $ttl = $json->IntOf('answer.mx[i].ttl'); $pref = $json->IntOf('answer.mx[i].pref'); $domain = $json->stringOf('answer.mx[i].domain'); $i = $i + 1; } ?> |
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