42 Scientific and technical research and design in the field of computer science, namely, network technologies, network infrastructure, network management, network communication; scientific and technological research and development of computer software, computer networking software; design and development of computer hardware and software; computer software consultancy; computer software design consultancy; quality control relating to computer software for others; installation, maintenance and repair services for computer software; technical research, development, design, technical consultancy and technical assistance, all relating to Internet-of-Things (IoT) hardware and software; computer services, namely, providing online service for connecting domain name servers and email management servers; computer services, namely, providing online service for enabling domain name servers for others; online non-downloadable software applications for use in measuring data storage, checking domain names, specifying IP addresses, and supervising access to server; online non-downloadable computer software for monitoring communications network infrastructure problems and lapses; online non-downloadable computer operating software for network management; online non-downloadable software for operational management of IP based networks; online non-downloadable computer software for network management, namely, networks of Internet-of-Things components, for use with Internet-of-Things (IoT) equipment