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{{short description|Suite of IETF specifications for securing certain kinds of information provided by DNS}}
{{Security protocol}}
The '''Domain Name System Security Extensions''' ('''DNSSEC''') are a suite of [[Extension Mechanisms for DNS|extension]] specifications by the [[Internet Engineering Task Force]] (IETF) for securing data exchanged in the [[Domain Name System]] ([[DNS]]) in [[Internet Protocol]] (IP) [[Networks and States|networks]]. The protocol provides [[message authentication|cryptographic authentication]] of data, [[Authenticated session|authenticated]] denial of existence, and data [[Integrity pact|integrity]], but not availability or [[Confidentiality of electronic health records|confidentiality]].
==Overview==
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