DNS Response Codes
RCODE values returned in DNS response messages to indicate the status of a query.
References
20 codes
-
BADALGAlgorithm not supported -
BADCOOKIEBad or missing server cookie -
BADKEYKey not recognised -
BADMODEBad TKEY mode -
BADNAMEDuplicate key name -
BADSIGBad TSIG signature -
BADTIMESignature out of time window -
BADTRUNCBad truncation -
BADVERSBad OPT version -
FORMERRFormat error -
NOERRORNo error -
NOTAUTHNot authoritative -
NOTIMPNot implemented -
NOTZONEName not contained in zone -
NXDOMAINNon-existent domain -
NXRRSETRR set that should exist does not -
REFUSEDQuery refused -
SERVFAILServer failure -
YXDOMAINName exists when it should not -
YXRRSETRR set exists when it should not