Algorithm not supported (RFC 2930)
Bad/missing server cookie (RFC 7873)
Key not recognized (RFC 8945)
Bad TKEY mode (RFC 2930)
Duplicate key name (RFC 2930)
TSIG signature failure or bad OPT version (RFC 8945/RFC 6891)
Signature out of time window (RFC 8945)
Bad truncation (RFC 8945)
DSO-TYPE not implemented (RFC 8490)
Format error: the server was unable to interpret the query (RFC 1035)
No error condition (RFC 1035)
Server not authoritative for zone, or not authorized (RFC 2136/RFC 8945)
Not implemented: the server does not support the requested operation (RFC 1035)
Name not contained in zone (RFC 2136)
Non-existent domain: the queried name does not exist (RFC 1035)
RR set that should exist does not (RFC 2136)
Query refused by policy (RFC 1035)
Server failure: the server encountered an internal error (RFC 1035)
Name exists when it should not (RFC 2136)
RR set exists when it should not (RFC 2136)
Defines DNS packet response code