RCODEs
RCODE | Name | Description | Reference |
---|---|---|---|
0 | NoError | No Error | RFC1035 |
1 | FormErr | Format Error | RFC1035 |
2 | ServFail | Server Failure | RFC1035 |
3 | NXDomain | Non-Existent Domain | RFC1035 |
4 | NotImp | Not Implemented | RFC1035 |
5 | Refused | Query Refused | RFC1035 |
6 | YXDomain | Name Exists when it should not | RFC2136, RFC6672 |
7 | YXRRSet | RR Set exists when it should not | RFC2136 |
8 | NXRRSet | RR Set that should exist does not | RFC2136 |
9 | NotAuth | Server Not Authoritative for zone | RFC2136 |
9 | NotAuth | Not Authorized | RFC8945 |
10 | NotZone | Name not contained in zone | RFC2136 |
11 | DSOTYPENI | DSO-TYPE Not Implemented | RFC8940 |
12-15 | Unassigned | ||
16 | BADVERS | Bad OPT Version | RFC6891 |
16 | BADSIG | TSIG Signature Failure | RFC8945 |
17 | BADKEY | Key not recognised | RFC8945 |
18 | BADTIME | Signature out of time window | RFC8945 |
19 | BADMODE | Bad TKEY Mode | RFC2930 |
20 | BADNAME | Duplicate key name | RFC2930 |
21 | BADALG | Algorithm not supported | RFC2930 |
22 | BADTRUNC | Bad Truncation | RFC8945 |
23 | BADCOOKIE | Bad/missing Server Cookie | RFC7873 |
24-3840 | Unassigned | ||
3841-4095 | Reserved for Private Use | RFC6895 | |
4096-65534 | Unassigned | ||
65535 | Reserved, can be allocated by Standards Action | RFC6895 |
References
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