DNS 0 NOERROR vs 17 BADKEY
Both DNS 0 (NOERROR) and 17 (BADKEY) belong to the DNS Response Codes (RCODEs) category. 0 indicates that no error condition. The query completed successfully and the response contains the requested data. Meanwhile, 17 means that key not recognized. The TSIG key name in the message is not configured on the server.
Descripción
No error condition. The query completed successfully and the response contains the requested data.
Cuándo lo verás
This is the normal, successful response to any DNS query — the name was resolved and the answer section contains the requested records.
Cómo solucionarlo
No fix needed. RCODE 0 means the DNS lookup succeeded as expected.
Descripción
Key not recognized. The TSIG key name in the message is not configured on the server.
Cuándo lo verás
Your TSIG-signed query or update references a key name that the server does not have in its keyring, so it cannot verify the signature.
Cómo solucionarlo
Ensure the TSIG key name matches exactly (case-sensitive) on both client and server. Add the missing key to the server's configuration if it is a new key.
Diferencias clave
DNS 0: No error condition. The query completed successfully and the response contains the requested data.
DNS 17: Key not recognized. The TSIG key name in the message is not configured on the server.
You encounter 0 when this is the normal, successful response to any DNS query — the name was resolved and the answer section contains the requested records.
You encounter 17 when your TSIG-signed query or update references a key name that the server does not have in its keyring, so it cannot verify the signature.
Cuándo usar cada uno
For 0 (NOERROR): No fix needed. RCODE 0 means the DNS lookup succeeded as expected. For 17 (BADKEY): Ensure the TSIG key name matches exactly (case-sensitive) on both client and server. Add the missing key to the server's configuration if it is a new key.