public async Task <NetworkDnsQueryLookup> DnsChilkatLookup(string target)
{
NetworkDnsQueryLookup lookup = new NetworkDnsQueryLookup();
try
{
lookup = await this._dnsLookupService.DnsChilkatLookup(target);
}
catch (Exception ex)
{
lookup.Message = ex.Message;
lookup.StackTrace = ex.StackTrace;
}
return(lookup);
}
public void Test_NetworkService_DnsChilkatLookup()
{
string target = "google.com";
DnsLookupService service = new DnsLookupService();
NetworkDnsQueryLookup lookup = Task.Run(async() =>
{
return(await service.DnsChilkatLookup(target));
})
.GetAwaiter()
.GetResult();
Assert.IsNotNull(lookup);
Assert.IsFalse(string.IsNullOrEmpty(lookup.IpAddress));
Assert.IsTrue(string.IsNullOrEmpty(lookup.Message));
Assert.IsTrue(string.IsNullOrEmpty(lookup.StackTrace));
}
/// <summary>
/// https://www.example-code.com/dotnet-core/dnsLookup.asp
/// </summary>
/// <param name="target"></param>
/// <returns></returns>
public async Task <NetworkDnsQueryLookup> DnsChilkatLookup(string target)
{
Chilkat.Socket socket = new Chilkat.Socket();
socket.UnlockComponent("unlock_code");
int milliseconds = 10000;
var address = await Task.Run(() => { return(socket.DnsLookup(target, milliseconds)); });
var networkDnsQueryLookup = new NetworkDnsQueryLookup
{
IpAddress = address,
};
Debug.Assert(!string.IsNullOrEmpty(networkDnsQueryLookup.IpAddress), "IP Address empty? Why?");
if (!socket.LastMethodSuccess)
{
Debug.WriteLine(socket.LastErrorText);
return(default);