public DnsQueryResponse Resolve(string host, NsType queryType, NsClass queryClass, ProtocolType protocol, TsigMessageSecurityProvider provider)
{
string dnsServer = string.Empty;
// Test for Unix/Linux OS
if (Tools.IsPlatformLinuxUnix())
{
dnsServer = Tools.DiscoverUnixDnsServerAddress();
}
else
{
IPAddressCollection dnsServerCollection = Tools.DiscoverDnsServerAddresses();
if (dnsServerCollection.Count == 0)
throw new Exception("Couldn't detect local DNS Server.");
dnsServer = dnsServerCollection[0].ToString();
}
if (String.IsNullOrEmpty(dnsServer))
throw new Exception("Couldn't detect local DNS Server.");
return Resolve(dnsServer, host, queryType, queryClass, protocol, provider);
}
public DnsQueryResponse Resolve(string host, NsType queryType, NsClass queryClass, ProtocolType protocol, TsigMessageSecurityProvider provider)
{
foreach (var server in GetDnsServers ()) {
try {
return Resolve (server, host, queryType, queryClass, protocol, provider);
} catch (Exception ex) {
Console.WriteLine (string.Format ("DnsQueryRequest.Resolve: Could not resolve host {0}: {1}", host, ex));
}
}
return null;
}