A network administrator is setting up a new DNS server that must act as the main, writable source for all DNS records within a company's domain. For redundancy, other DNS servers will replicate their zone data from this server. Which type of DNS zone must the administrator configure on this new server?
A primary zone is the correct answer because it contains the master, writable copy of a domain's DNS records. It is the authoritative source from which secondary servers replicate data via zone transfers.
A secondary zone is incorrect because it is a read-only copy of a primary zone. While it provides authoritative answers, it cannot be the original, writable source of the records.
A reverse lookup zone is incorrect because its purpose is to map IP addresses back to domain names, not to serve as the primary source for name-to-IP resolutions.
A stub zone is incorrect because it only contains a partial list of records (NS, SOA, and glue A records) needed to identify the authoritative DNS servers for a zone, not the entire set of records for that zone.
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What is the difference between a primary DNS zone and a secondary DNS zone?
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What is the purpose of a reverse lookup zone in DNS?
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When would you use a stub zone in DNS configurations?