ICANN Acronyms and Terms
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R
Root Zone Administrator(RZA)
The entity responsible for managing the data contained within the root zone. The Root Zone Administrator works with the operators of top-level domains (TLDs) and maintains technical and administrative details about the TLDs.
The RZA role is performed by Public Technical Identifiers (PTI) as part of its contracts with ICANN to perform the Internet Assigned Numbers Authority (IANA) functions. PTI is an affiliate of ICANN.