SimpleResolver resolver = new SimpleResolver();
int type = Type.TXT;
Name name = Name.fromString(String.valueOf(exchange.getIn().getHeader(DnsConstants.TERM)) + ".wp.dg.cx", Name.root);
Record rec = Record.newRecord(name, type, DClass.IN);
Message query = Message.newQuery(rec);
Message response = resolver.send(query);
Record[] records = response.getSectionArray(Section.ANSWER);
if (records.length > 0) {
exchange.getOut().setBody(records[0].rdataToString());
} else {
exchange.getOut().setBody(null);