Which DNS record stores administrative information about a zone and marks authority for the zone?

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Multiple Choice

Which DNS record stores administrative information about a zone and marks authority for the zone?

Explanation:
The Start of Authority (SOA) record is the one that stores administrative information about a zone and marks who is authoritative for that zone. It designates the primary name server for the zone and includes the administrator’s contact (in an encoded form), a zone serial number, and timing parameters (refresh, retry, expire, and minimum TTL) that control how secondary name servers synchronize data. This combination of admin details and authority pointers is what makes the SOA record the authoritative source for the zone's data. Other records have different roles: NS lists which servers are authoritative for the zone, A maps names to IPv4 addresses, and MX designates mail servers.

The Start of Authority (SOA) record is the one that stores administrative information about a zone and marks who is authoritative for that zone. It designates the primary name server for the zone and includes the administrator’s contact (in an encoded form), a zone serial number, and timing parameters (refresh, retry, expire, and minimum TTL) that control how secondary name servers synchronize data. This combination of admin details and authority pointers is what makes the SOA record the authoritative source for the zone's data.

Other records have different roles: NS lists which servers are authoritative for the zone, A maps names to IPv4 addresses, and MX designates mail servers.

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