Internet Direct (Indy) Version 9.0.2 Beta
TDNSHeader.RCode
Result code returned in a DNS response.

property RCode: Word;
Description
RCode is a Word property that represents the result code returned by a DNS server as part of a response to a DNS query. RCode may contain one of the following values and meanings:

RCode is represented in a DNS header as a 4-bit field. Changing the value of RCode insures that the appropriate bit field is updated in the DNS header for the message packet.