(Node.js) Resolve Domain to IP Address

See more DNS Examples

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

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOS

var os = require('os');
if (os.platform() == 'win32') {  
  var chilkat = require('@chilkat/ck-node23-win64'); 
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node23-linux-arm');
    } else if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node23-linux-arm64');
    } else {
        var chilkat = require('@chilkat/ck-node23-linux-x64');
    }
} else if (os.platform() == 'darwin') {
  var chilkat = require('@chilkat/ck-node23-mac-universal');
}

function chilkatExample() {

    var success = false;

    var dns = new chilkat.Dns();

    var json = new chilkat.JsonObject();
    json.EmitCompact = false;

    success = dns.Query("A","microsoft.com",json);
    if (success == false) {
        console.log(dns.LastErrorText);
        return;
    }

    console.log(json.Emit());

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

    // {
    //   "answer": {
    //     "a": [
    //       {
    //         "name": "microsoft.com",
    //         "ttl": 1528,
    //         "ipv4": "20.112.250.133"
    //       },
    //       {
    //         "name": "microsoft.com",
    //         "ttl": 1528,
    //         "ipv4": "20.231.239.246"
    //       },
    //       {
    //         "name": "microsoft.com",
    //         "ttl": 1528,
    //         "ipv4": "20.76.201.171"
    //       },
    //       {
    //         "name": "microsoft.com",
    //         "ttl": 1528,
    //         "ipv4": "20.70.246.20"
    //       },
    //       {
    //         "name": "microsoft.com",
    //         "ttl": 1528,
    //         "ipv4": "20.236.44.162"
    //       }
    //     ]
    //   }
    // }

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

    var name;
    var ttl;
    var ipv4;

    var i = 0;
    var count_i = json.SizeOfArray("answer.a");
    while (i < count_i) {
        json.I = i;
        name = json.StringOf("answer.a[i].name");
        ttl = json.IntOf("answer.a[i].ttl");
        ipv4 = json.StringOf("answer.a[i].ipv4");
        i = i+1;
    }


}

chilkatExample();