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Recursive resolver

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Authentication
DNS
Reputation
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Recursive resolver

A resolver that performs iterative lookups and typically caches answers.

Reading time:: 5 min
Difficulty:: Intermediate
Estimated duration:: 5 min
Prerequisites:: DNS
Last updated:: 2026-07-15
Author:: empire

Definition

Recursive resolvers find answers on behalf of clients and usually cache results according to TTL.

Prerequisites

DNSDomain Name System — the lookup fabric email authentication depends on.

DNSDomain Name System — the lookup fabric email authentication depends on.

PreviousAuthoritative name server NextGlue records

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