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Classic ASP Requires Chilkat v9.5.0.96+

DNS Query A Records

See more DNS Examples

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

Chilkat Classic ASP Downloads

Classic ASP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

set dns = Server.CreateObject("Chilkat.Dns")

set json = Server.CreateObject("Chilkat.JsonObject")
json.EmitCompact = 0

success = dns.Query("A","microsoft.com",json)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( dns.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>"

'  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

i = 0
count_i = json.SizeOfArray("answer.a")
Do 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
Loop

%>
</body>
</html>