(PowerShell) DNS Query TXT Records

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

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

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

$dns = New-Object Chilkat.Dns

$json = New-Object Chilkat.JsonObject
$json.EmitCompact = $false

$success = $dns.Query("TXT","x.com",$json)
if ($success -eq $false) {
    $($dns.LastErrorText)
    exit
}

$($json.Emit())

# 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

$i = 0
$count_i = $json.SizeOfArray("answer.txt")
while ($i -lt $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
}