The DNS record that indicates authority for a domain is:

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Multiple Choice

The DNS record that indicates authority for a domain is:

Explanation:
In DNS, authority for a zone is declared by the Start of Authority (SOA) record. The SOA marks the zone’s apex and designates the primary name server that is authoritative for the domain, along with administrative contact and timing information (like serial number, refresh, retry, and expiry). This record essentially tells resolvers: “This is the authoritative source for this zone’s data.” While NS records point to which servers are authoritative and A records map names to IPs or SRV records define service locations, the SOA is the record that formally establishes who is responsible for the zone and serves as the anchor for dynamic updates and zone transfers.

In DNS, authority for a zone is declared by the Start of Authority (SOA) record. The SOA marks the zone’s apex and designates the primary name server that is authoritative for the domain, along with administrative contact and timing information (like serial number, refresh, retry, and expiry). This record essentially tells resolvers: “This is the authoritative source for this zone’s data.” While NS records point to which servers are authoritative and A records map names to IPs or SRV records define service locations, the SOA is the record that formally establishes who is responsible for the zone and serves as the anchor for dynamic updates and zone transfers.

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