in resolver/src/main/java/org/apache/james/jspf/core/DNSRequest.java [49:59]
public DNSRequest(final String hostname, final int recordType) throws NoneException {
if (recordType == MX || recordType == A || recordType == AAAA) {
try {
Name.fromString(hostname);
} catch (TextParseException e) {
throw new NoneException(e.getMessage());
}
}
this.hostname = hostname;
this.recordType = recordType;
}