static public String getTypeString(int t){
    	if(t == DNS_Message.A_QUERY_TYPE){
    		return "A";
    	}
    	else if(t == DNS_Message.PTR_QUERY_TYPE){
    		return "PTR";
    	}
    	else if(t == DNS_Message.CNAME_QUERY_TYPE){
    		return "CNAME";
    	}
    	else if(t == DNS_Message.HINFO_QUERY_TYPE){
    		return "HINFO";
    	}
    	else if(t == DNS_Message.MX_QUERY_TYPE){
    		return "MX";
    	}
    	return "";
    }