DNS 0 NOERROR vs 5 REFUSED
Both DNS 0 (NOERROR) and 5 (REFUSED) 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, 5 means that query refused. The name server refuses to perform the requested operation for policy reasons.
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
Query refused. The name server refuses to perform the requested operation for policy reasons.
Ketika Anda Melihatnya
The server rejected your query due to access control — for example, a recursive resolver that only serves its own network, or a zone transfer blocked by ACL.
Cara Memperbaiki
Check the server's allow-query, allow-recursion, or allow-transfer ACLs. If you are not authorized to use this resolver, switch to a public DNS service.
Perbedaan Utama
DNS 0: No error condition. The query completed successfully and the response contains the requested data.
DNS 5: Query refused. The name server refuses to perform the requested operation for policy reasons.
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 5 when the server rejected your query due to access control — for example, a recursive resolver that only serves its own network, or a zone transfer blocked by ACL.
Kapan Menggunakan Yang Mana
For 0 (NOERROR): No fix needed. RCODE 0 means the DNS lookup succeeded as expected. For 5 (REFUSED): Check the server's allow-query, allow-recursion, or allow-transfer ACLs. If you are not authorized to use this resolver, switch to a public DNS service.