DNS 4 NOTIMP vs 9 NOTAUTH
Both DNS 4 (NOTIMP) and 9 (NOTAUTH) belong to the DNS Response Codes (RCODEs) category. 4 indicates that not Implemented. The name server does not support the requested query type or operation. Meanwhile, 9 means that server Not Authoritative for zone, or Not Authorized. The server is not authoritative for the zone named in the Zone section.
Deskripsi
Not Implemented. The name server does not support the requested query type or operation.
Ketika Anda Melihatnya
You sent a query type (e.g., IXFR, dynamic update) that the server does not support or has disabled.
Cara Memperbaiki
Verify the server supports the query type you are using. If you need zone transfers or dynamic updates, enable them in the server configuration.
Deskripsi
Server Not Authoritative for zone, or Not Authorized. The server is not authoritative for the zone named in the Zone section.
Ketika Anda Melihatnya
You sent a dynamic update or zone operation to a server that is not the authoritative master for that zone, or the server rejected it due to TSIG authentication failure.
Cara Memperbaiki
Send the update to the correct primary authoritative server for the zone. If using TSIG, verify the key name and secret match on both client and server.
Perbedaan Utama
DNS 4: Not Implemented. The name server does not support the requested query type or operation.
DNS 9: Server Not Authoritative for zone, or Not Authorized. The server is not authoritative for the zone named in the Zone section.
You encounter 4 when you sent a query type (e.g., IXFR, dynamic update) that the server does not support or has disabled.
You encounter 9 when you sent a dynamic update or zone operation to a server that is not the authoritative master for that zone, or the server rejected it due to TSIG authentication failure.
Kapan Menggunakan Yang Mana
For 4 (NOTIMP): Verify the server supports the query type you are using. If you need zone transfers or dynamic updates, enable them in the server configuration. For 9 (NOTAUTH): Send the update to the correct primary authoritative server for the zone. If using TSIG, verify the key name and secret match on both client and server.