(Lianja) 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.

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loDns = createobject("CkDns")

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

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

? loJson.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
lnCount_i = loJson.SizeOfArray("answer.txt")
do while i < lnCount_i
    loJson.I = i
    lcName = loJson.StringOf("answer.txt[i].name")
    lnTtl = loJson.IntOf("answer.txt[i].ttl")
    lcText = loJson.StringOf("answer.txt[i].text")
    i = i + 1
enddo


release loDns
release loJson