for ( int i = 0; i < data.length; i++ ) {
            char c = data[ i ];
            if ( c < 48 || c > 57 ) {
                return doNameQuery(name, svr);
            }
            int b = 0x00;
            while ( c != '.' ) {
                if ( c < 48 || c > 57 ) {
                    return doNameQuery(name, svr);
                }
                b = b * 10 + c - '0';