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. |