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DNS Resource Record

A resource record, commonly referred to as an RR, is the unit of information entry in DNS zone files.

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DNS Resource Record Types

This list of DNS record types is an overview of resource records (RRs) permissible in zone files of the Domain Name System (DNS).

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DMARC (TXT Record)

Domain-based Message Authentication, Reporting & Conformance (DMARC).

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DKIM (TXT Record)

DomainKeys Identified Mail (DKIM) lets an organization take responsibility for a message that is in transit.

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SPF (TXT Record)

The Sender Policy Framework (SPF) is an open standard specifying a technical method to prevent sender address forgery.

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Private and Reserved IP Addresses

Private and Reserved IP Addresses aka Non-Internet Routable.

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