is the answer to the query unknown ? concode_field_sep int NXRRSET concode_elem_sep int DELEGATION concode_elem_sep Object data concode_elem_sep int CNAME concode_elem_sep int SUCCESSFUL concode_elem_sep SetResponse nxrrset concode_elem_sep SetResponse nxdomain concode_elem_sep int NXDOMAIN concode_elem_sep int type concode_elem_sep int UNKNOWN concode_elem_sep int DNAME concode_elem_sep SetResponse unknown concode_field_sep RRset getNS concode_elem_sep boolean isCNAME concode_elem_sep RRset[] answers concode_elem_sep boolean isDNAME concode_elem_sep boolean isDelegation concode_elem_sep CNAMERecord getCNAME concode_elem_sep void addRRset concode_elem_sep boolean isSuccessful concode_elem_sep DNAMERecord getDNAME concode_elem_sep String toString concode_elem_sep boolean isNXDOMAIN concode_elem_sep boolean isNXRRSET concode_elem_sep SetResponse ofType
boolean function ( ) { return ( type == UNKNOWN ) ; }