PTI

An affiliate of ICANN (glossary)ICANN Internet Corporation for Assigned Names and Numbers The nonprofit that coordinates the global DNS and gTLD policy. Full definition of ICANN that performs the IANA functions (glossary)IANA Internet Assigned Numbers Authority The functions that coordinate the root zone, IP addresses and protocol numbers. Full definition of IANA. These include managing changes to the root zone (glossary)root zone The top of the DNS, listing every TLD and its name servers. Full definition of root zone and keeping the registries (glossary)registry The central database and system of a top-level domain, or loosely the organization that runs it. Full definition of registry of protocol numbers and IP address (glossary)IP Internet Protocol The internet's basic rules for sending data, using numeric addresses for every connected device. Full definition of IP blocks. PTI handles requests to add or change TLDs (glossary)TLD top-level domain The last part of a domain name, after the final dot. Full definition of TLD in the root zone.