public byte[] ToBytes()
{
List <byte> bytes = new List <byte>();
bytes.AddRange(DomainName.ToBytes());
bytes.AddRange(BinaryHelper.ToBytes((ushort)Type));
bytes.AddRange(BinaryHelper.ToBytes((ushort)Class));
//bytes.AddRange(Message.ToBytes((ushort)(((ushort)(ushort.MaxValue >> 15 << 15)) + (ushort)Class)));
return(bytes.ToArray());
}