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(Unicode C) DNS Query NS RecordsSee more DNS ExamplesShows how to perform a DNS query to retrieve NS records. Note: This example requires Chilkat v9.5.0.96 or later.
#include <C_CkDnsW.h> #include <C_CkJsonObjectW.h> void ChilkatSample(void) { HCkDnsW dns; HCkJsonObjectW json; BOOL success; const wchar_t *name; int ttl; const wchar_t *domain; int i; int count_i; dns = CkDnsW_Create(); json = CkJsonObjectW_Create(); CkJsonObjectW_putEmitCompact(json,FALSE); success = CkDnsW_Query(dns,L"NS",L"x.com",json); if (success == FALSE) { wprintf(L"%s\n",CkDnsW_lastErrorText(dns)); CkDnsW_Dispose(dns); CkJsonObjectW_Dispose(json); return; } wprintf(L"%s\n",CkJsonObjectW_emit(json)); // 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 i = 0; count_i = CkJsonObjectW_SizeOfArray(json,L"answer.ns"); while (i < count_i) { CkJsonObjectW_putI(json,i); name = CkJsonObjectW_stringOf(json,L"answer.ns[i].name"); ttl = CkJsonObjectW_IntOf(json,L"answer.ns[i].ttl"); domain = CkJsonObjectW_stringOf(json,L"answer.ns[i].domain"); i = i + 1; } CkDnsW_Dispose(dns); CkJsonObjectW_Dispose(json); } |
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