public int
getRRsetType() {
	if (type == Type.RRSIG) {
		RRSIGRecord sig = (RRSIGRecord) this;
		return sig.getTypeCovered();
	}
	return type;
}
Returns the type of RRset that this record would belong to.  For all types
except RRSIG, this is equivalent to getType().
@return The type of record, if not RRSIG.  If the type is RRSIG,
the type covered is returned.
@see Type
@see RRset
@see SIGRecord
src/main/java/core/org/xbill/DNS/Record.java