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Internet Governance Glossary


2.34 Domain Name System security extensions / DNSSEC

Suite of Internet Engineering Task Force (IETF) specifications for securing certain kinds of information provided by the Domain Name System (DNS) as used on the Internet and networks based on the Internet Protocol Suite.


The Domain Name System security extensions are a set of extensions to the Domain Name System (DNS) which provide to DNS clients (resolvers) origin authentication of DNS data, authenticated denial of existence, and data integrity, but not availability or confidentiality.