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
The public-private key pair that is the secure entry point for the root zone and serves as the root trust anchor for the Domain Name System Security Extensions (DNSSEC). The root trust anchor uses its private key to digitally sign the zone signing key (ZSK) for the root zone. DNSSEC-aware resolvers use the root trust anchor’s public key to verify the authenticity of the data in the root zone.