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Reviewed on Dec 25st, 2017

IANA — Internet Assigned Numbers Authority

Internet Assigned Numbers Authority. Domain Names. Number Resources. Protocol Assignments. Search the site. The Internet Assigned Numbers Authority (IANA) is responsible for the global coordination of the DNS Root, IP addressing, and other Internet protocol resources. Learn more about what we do ». IANA manages the DNS Root Zone (assignments of ccTLDs and gTLDs), as well as the .int registry, and the .arpa zone.

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