(Lianja) DNS Query SOA Records

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

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

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loDns = createobject("CkDns")

loJson = createobject("CkJsonObject")
loJson.EmitCompact = .F.

llSuccess = loDns.Query("SOA","x.com",loJson)
if (llSuccess = .F.) then
    ? loDns.LastErrorText
    release loDns
    release loJson
    return
endif

? loJson.Emit()

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

// {
//   "answer": {
//     "soa": [
//       {
//         "name": "x.com",
//         "ttl": 1800,
//         "mname": "alexia.ns.cloudflare.com",
//         "rname": "dns.cloudflare.com",
//         "serial": -1971124188,
//         "refresh": 10000,
//         "retry": 2400,
//         "expire": 604800,
//         "minttl": 1800
//       }
//     ]
//   }
// }

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

i = 0
lnCount_i = loJson.SizeOfArray("answer.soa")
do while i < lnCount_i
    loJson.I = i
    lcName = loJson.StringOf("answer.soa[i].name")
    lnTtl = loJson.IntOf("answer.soa[i].ttl")
    lcMname = loJson.StringOf("answer.soa[i].mname")
    lcRname = loJson.StringOf("answer.soa[i].rname")
    lnSerial = loJson.IntOf("answer.soa[i].serial")
    lnRefresh = loJson.IntOf("answer.soa[i].refresh")
    lnRetry = loJson.IntOf("answer.soa[i].retry")
    lnExpire = loJson.IntOf("answer.soa[i].expire")
    lnMinttl = loJson.IntOf("answer.soa[i].minttl")
    i = i + 1
enddo


release loDns
release loJson