ICANN Acronyms and Terms
Type in the acronym or term you are looking for in the Search bar below.
In addition to English, translated versions of acronyms and terms are also available in Arabic, Chinese, French, Russian, and Spanish. Links for each language are located in the top right of the page.
Click the first letter of the term you are looking for to search alphabetically.
Do you have feedback on the definitions or the terms? Send us an email to: acronymsandterms@icann.org.
I
International Organization for Standardization(ISO)
An international nongovernmental organization that develops and publishes international standards that are voluntary and consensus-based. The Domain Name System uses the two-letter names defined in ISO 3166-1 as identifiers for country code top-level domains.