int nr = 0;

    while(nr < dns_or_ip.length()) {
        int current = nr;
        string name = "";
        while(dns_or_ip[nr] != '.') {
            ++nr;
        }
        len += nr - current;
        r[len] = nr - current;

        //name += to_string(nr - current) + " ";
        ++nr;
        for(int i = current; i < nr - 1; ++i) {
            name += dns_or_ip[i];
            name += ' ';
        }
        ++len;
        char *i = new char[name.length()];
        strcpy(i, name.c_str());

        memcpy(r + len, i, name.length());
        len += name.length();
        printf("%s\n", i);
        cout << name << endl;
    }