Result code returned in a DNS response.
property RCode: Word;
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 associated meanings:
| 
 
Value   | 
 
Meaning   | 
| 
 
0   | 
 
No error condition.   | 
| 
 
1   | 
 
Query Format error. The name server was unable to interpret the query.   | 
| 
 
2   | 
 
Server failure. The name server was unable to process this query due to a problem with the name server.   | 
| 
 
3   | 
 
Name Error. Meaningful only for responses from an authoritative name server, this code signifies that the domain name referenced in the query does not exist.   | 
| 
 
4   | 
 
Not Implemented. The name server does not support the requested kind of query.   | 
| 
 
5   | 
 
Operation Refused. The name server refuses to perform the specified operation for policy reasons. For example, a name server may not wish to provide the information to the particular requester, or a name server may not wish to perform a particular operation (e.g., zone transfer) for particular data.   | 
| 
 
6   | 
 
Reserved for future use.   | 
| 
 
7   | 
 
Reserved for future use.   | 
| 
 
8   | 
 
Reserved for future use.   | 
| 
 
9   | 
 
Reserved for future use.   | 
| 
 
10   | 
 
Reserved for future use.   | 
| 
 
11   | 
 
Reserved for future use.   | 
| 
 
12   | 
 
Reserved for future use.   | 
| 
 
13   | 
 
Reserved for future use.   | 
| 
 
14   | 
 
Reserved for future use.   | 
| 
 
15   | 
 
Reserved for future use.   | 
RCode is represented in a DNS header as a 4-bit field. Changing the value of RCode ensures that the appropriate bit field is updated in the DNS header for the message packet.
| 
 
Internet Direct (Indy) version 10.1.5 
Copyright © 1993-2006, Chad Z. Hower (aka Kudzu) and the Indy Pit Crew. All rights reserved. Website http://www.indyproject.org. Post feedback to the Indy Documentation newsgroup.  |