DNS

DNS 0 NOERROR vs 4 NOTIMP

Both DNS 0 (NOERROR) and 4 (NOTIMP) 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, 4 means that not Implemented. The name server does not support the requested query type or operation.

Deskripsi

No error condition. The query completed successfully and the response contains the requested data.

Ketika Anda Melihatnya

This is the normal, successful response to any DNS query — the name was resolved and the answer section contains the requested records.

Cara Memperbaiki

No fix needed. RCODE 0 means the DNS lookup succeeded as expected.

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.

Perbedaan Utama

1.

DNS 0: No error condition. The query completed successfully and the response contains the requested data.

2.

DNS 4: Not Implemented. The name server does not support the requested query type or operation.

3.

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.

4.

You encounter 4 when you sent a query type (e.g., IXFR, dynamic update) that the server does not support or has disabled.

Kapan Menggunakan Yang Mana

For 0 (NOERROR): No fix needed. RCODE 0 means the DNS lookup succeeded as expected. 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.

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