Internet Direct (Indy) Version 9.0.1 Beta
TDNSHeader.ARCount
Number of resource records in the Additional section of a DNS response.

property ARCount: Word;
Description
ARCount is a Word property that indicates the number of resource records found in the Additional section of a DNS response.

Use ANCount to determine the number of Answer resource records in the DNS response.

Use NSCount to determine the number of name server resource records in the DNS response.