TXT records

DNS record type used for SPF, DMARC, and many auth artifacts.

Reading time:: 5 min
Difficulty:: Intermediate
Estimated duration:: 5 min
Prerequisites:: None
Last updated:: 2026-07-15
Author:: empire

Definition

DNS record type used for SPF, DMARC, and many auth artifacts.

How it works

TXT records carry arbitrary text. Email uses them for SPF policies, DMARC policies, domain verification tokens, and sometimes DKIM-related proofs depending on the provider.

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

TXT records

Definition

How it works

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TXT records

Definition

How it works

▼Continue Learning