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RFC 5155 - DNS Security (DNSSEC) Hashed Authenticated Denial of Existence

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DNS Security (DNSSEC) Hashed Authenticated Denial of Existence (RFC 5155, )

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RFC 5155: DNS Security (DNSSEC) Hashed Authenticated Denial of Existence

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IETF Datatracker

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The Domain Name System Security (DNSSEC) Extensions introduced the NSEC resource record (RR) for authenticated denial of existence. This document introduces an alternative resource record, NSEC3, which similarly provides authenticated denial of existence. However, it also provides measures against zone enumeration and permits gradual expansion of delegation-centric zones. [STANDARDS-TRACK]

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