Internet Direct (Indy) Version 9.0.2 Beta
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property AA: Word;
AA is used in a DNS response that may contain multiple resource records in the answer section of the DNS response, and each resource record may have a different owner. AA corresponds to the name which matches the Omain name in the query, or the owner name for the first resource record in the answer section.
AA is represented in a DNS header as a bit flag. Changing the value of AA insures that the appropriate bit field is updated in the DNS header for the message packet.