Which two related organizations are responsible for managing the top-level domain name space and the root Domain Name System (DNS) name servers on the Internet?

The two organizations responsible for managing the top-level domain name space and the root Domain Name System (DNS) name servers are the internet Corporation for Assigned Names and Numbers (ICANN) and the Internet Assigned Numbers Authority (IANA). ICANN oversees the allocation of domain names and IP addresses, while IANA handles the technical aspects, including the management of the DNS root zone. Together, they ensure the stability and security of the global internet naming system.