Perl Requires Chilkat v9.5.0.96+

DNS Query NS Records

See more DNS Examples

Shows how to perform a DNS query to retrieve NS records. Chilkat2 Perl

use strict;
use warnings;
use Chilkat2;

my $dns = Chilkat2::Dns->new;

my $json = Chilkat2::JsonObject->new;
$json->EmitCompact(0);

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

print $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

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

my $i = 0;
my $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;
}