Apedia

Authoritative Domain Server Canonical Mail Dns Entries Structure

Front DNS: Entries (Structure, Types)
Back Resource Records (RR)

Format: (Name, Value, Type, TTL)

Types
A: Host to IP (name: hostname, value: IP)

NS: Authoritative Name Server (Name: Domain, Value: Hostname of the authoritative name server)
CNAME: Canonical name (name: "alias", value: canonical name = "official" name)
MX: Mail (name: domain, value: name of the mail server)

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