The correct answer is Internet Corporation for Assigned Names and Numbers.

The organization coordinates the global Domain Name System and is responsible for delegating top level domains and accrediting domain name registrars. It also performs the IANA functions that include managing the DNS root zone and allocating protocol parameters which keeps the name system stable and globally unique.

Internet Engineering Task Force sets technical standards and develops protocols through RFCs. It does not manage domain name allocations or the DNS root zone.

Regional Internet Registries allocate and manage IP address space and autonomous system numbers within specific geographic regions. They do not assign domain names or run the DNS root.

World Wide Web Consortium creates web standards for technologies such as HTML and CSS. It does not administer domain name allocations or coordinate the global DNS.

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