/// <summary>
/// Checks, if the given domain redirects to mailinator
/// </summary>
/// <param name="Host">host name</param>
/// <returns>true, if mailinator inbox</returns>
public static bool IsMailinator(string Host)
{
List <uint> Questionable_IPs = new List <uint>();
RecordCollection RC = Dns.Lookup(Host, Dns.QueryTypes.DNS_TYPE_MX);
if (RC == null)
{
return(false);
}
for (int i = 0; i < RC.RecordTypes.Length; i++)
{
if (RC.RecordTypes[i] == Dns.QueryTypes.DNS_TYPE_MX)
{
Questionable_IPs.AddRange(GetRecords(RecordCollection.ToString(((Dns.DNS_MX_DATA)RC.FoundRecords[i]).pNameExchange)));
}
}
foreach (uint Mailinator_IP in Mailinator_IPs)
{
if (Questionable_IPs.Contains(Mailinator_IP))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Gets A records from DNS
/// </summary>
/// <param name="Hostname">hostname to get A records from</param>
/// <returns>List of IP addresses (as 4 byte integers)</returns>
static uint[] GetRecords(string Hostname)
{
List <uint> L = new List <uint>();
RecordCollection RC = Dns.Lookup(Hostname, Dns.QueryTypes.DNS_TYPE_A);
for (int i = 0; i < RC.RecordTypes.Length; i++)
{
if (RC.RecordTypes[i] == Dns.QueryTypes.DNS_TYPE_A)
{
L.Add(((Dns.DNS_A_DATA)RC.FoundRecords[i]).IpAddress);
}
}
return(L.ToArray());
}
public static BMA[] getTXT(string DNS)
{
RecordCollection RC = null;
try
{
RC = Dns.Lookup(DNS, WinAPI.DNS.Dns.QueryTypes.DNS_TYPE_TEXT);
}
catch
{
return(null);
}
List <BMA> entries = new List <BMA>();
foreach (object o in RC.SubRecords)
{
if (o is Dns.DNS_TXT_DATA)
{
string[] ss = RecordCollection.ToString(((Dns.DNS_TXT_DATA)o).pStringArray).Split(';');
foreach (string s in ss)
{
if (s.Contains("BM-"))
{
if (s.Contains("="))
{
entries.Add(new BMA(s.Split('=')[0], s.Split('=')[1]));
}
else
{
entries.Add(new BMA(string.Empty, s));
}
}
}
}
}
return(entries.ToArray());
}
