/// <summary>
/// Get the MX records for the specified domain name using the specified DNS server.
/// </summary>
/// <param name="address">The domain name.</param>
/// <param name="host">The host name of the DNS server to use.</param>
/// <param name="port">The port number of the DNS server to use.</param>
/// <param name="timeout">The timeout in miliseconds.</param>
/// <returns>A collection of Mx Records.</returns>
public static MxRecordCollection GetMxRecords(string address, string host, int port, int timeout)
{
var mxRecords = new MxRecordCollection();
var query = new DnsQuery(IPAddress.Parse(host))
{
RecursiveQuery = true,
DnsServer = { Port = port },
Domain = address
};
DnsAnswer answer = query.QueryServer(RecordType.MX, timeout);
foreach (Answer entry in answer.Answers)
{
var mxRecord = (MXRecord)entry.Data;
mxRecords.Add(mxRecord.Domain, mxRecord.Preference);
}
return(mxRecords);
}
/// <summary>
/// Get the MX records for the specified domain name using the specified DNS server.
/// </summary>
/// <param name="address">The domain name.</param>
/// <param name="host">The host name of the DNS server to use.</param>
/// <param name="port">The port number of the DNS server to use.</param>
/// <param name="timeout">The timeout in miliseconds.</param>
/// <returns>A collection of Mx Records.</returns>
public static ActiveUp.Net.Mail.MxRecordCollection GetMxRecords(string address, string host, int port, int timeout)
{
MxRecordCollection mxRecords = new MxRecordCollection();
DnsQuery query = new DnsQuery(IPAddress.Parse(host));
query.RecursiveQuery = true;
query.DnsServer.Port = port;
query.Domain = address;
DnsAnswer answer = query.QueryServer(RecordType.MX, timeout);
foreach (DnsEntry entry in answer.Answers)
{
MXRecord mxRecord = (MXRecord)entry.Data;
mxRecords.Add(mxRecord.Domain, mxRecord.Preference);
}
return(mxRecords);
}
/// <summary>
/// Get the MX records for the specified domain name using the specified DNS server.
/// </summary>
/// <param name="address">The domain name.</param>
/// <param name="host">The host name of the DNS server to use.</param>
/// <param name="port">The port number of the DNS server to use.</param>
/// <param name="timeout">The timeout in miliseconds.</param>
/// <returns>A collection of Mx Records.</returns>
public static ActiveUp.Net.Mail.MxRecordCollection GetMxRecords(string address, string host, int port, int timeout)
{
MxRecordCollection mxRecords = new MxRecordCollection();
DnsQuery query = new DnsQuery(IPAddress.Parse(host));
query.RecursiveQuery = true;
query.DnsServer.Port = port;
query.Domain = address;
DnsAnswer answer = query.QueryServer(RecordType.MX, timeout);
foreach (DnsEntry entry in answer.Answers)
{
MXRecord mxRecord = (MXRecord)entry.Data;
mxRecords.Add(mxRecord.Domain, mxRecord.Preference);
}
return mxRecords;
}
