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ICANN Acronyms and Terms

ICANN has hundreds of acronyms and terms, which can be confusing. We created this multilingual tool to help explain what these terms mean and facilitate your work within the ICANN community. Search for terms by name or acronym using the search bar, or search by letter. All acronyms and terms are available in Arabic, Chinese, French, Russian, and Spanish.

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  • Material Subcontracting ArrangementMSA

    Any subcontracting arrangement that relates to one or more of the critical functions identified in the Registry Agreement for generic top-level domains. A subcontractor that participates in an MSA is often referred to as a back-end service provider or a registry service provider.