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.
R
root zone key signing key rollover(KSK rollover)
The process of retiring a root zone key signing key (KSK) and replacing it with a new key. The requirement for periodic rollovers of the KSK is specified in the DNSSEC Practice Statement for the Root Zone KSK Operator.