public String
toString() {
	switch (type) {
		case UNKNOWN:		return "unknown";
		case NXDOMAIN:		return "NXDOMAIN";
		case NXRRSET:		return "NXRRSET";
		case DELEGATION:	return "delegation: " + data;
		case CNAME:		return "CNAME: " + data;
		case DNAME:		return "DNAME: " + data;
		case SUCCESSFUL:	return "successful";
		default:		throw new IllegalStateException();
	}
}
Prints the value of the SetResponse
src/main/java/core/org/xbill/DNS/SetResponse.java