code: public int
  getRRsetType() {
  	if (type == Type.RRSIG) {
  		RRSIGRecord sig = (RRSIGRecord) this;
  		return sig.getTypeCovered();
  	}
  	return type;
  }
docs: 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