ConceptsCNAME Record

CNAME Record

A DNS record that makes one domain name an alias for another, so a lookup of the alias is redirected to the canonical name's records. It is commonly used to point a name at a service whose address may change.

Glossary definition

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Concept Neighborhood

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DNS

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DNS Record

An entry in the DNS that maps a name to information, such as an address (A/AAAA), an alias (CNAME), a mail server (MX), or text (TXT). Records are the data DNS serves to answer lookups.

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DNSStart here

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A Record

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Authoritative DNS Servers

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DNS Resolution

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Related Lessons

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DNS Resolution and Name-to-Address Mapping

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