OPTRecord opt = new OPTRecord((short) 4096, rcode, (byte) 0, optflags);
response.addRecord(opt, Section.ADDITIONAL);
}
response.setTSIG(tsig, Rcode.NOERROR, queryTSIG);
return response.toWire(maxLength);
}
private byte[] buildErrorMessage(Header header, int rcode, Record question) {
Message response = new Message();
response.setHeader(header);