DNS record explainer

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Look up what each DNS record type does, see zone-file examples, and use the helper when you are not sure which records to create.

About this tool

DNS maps names to IPs, mail servers, verification tokens, and more. Most deploy headaches are a wrong A/CNAME at the apex, an MX priority mistake, or SPF living in TXT while you look for a dedicated SPF type.

TTL controls propagation speed — lower it before a migration, raise it after things settle.

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