DNS

DNS 0 NOERROR vs 11 DSOTYPENI

Both DNS 0 (NOERROR) and 11 (DSOTYPENI) 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, 11 means that dSO-TYPE Not Implemented. The DNS Stateful Operations (DSO) type in the request is not supported by the server.

Mô tả

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

Khi bạn thấy mã này

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

Cách khắc phục

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

Mô tả

DSO-TYPE Not Implemented. The DNS Stateful Operations (DSO) type in the request is not supported by the server.

Khi bạn thấy mã này

Your client attempted a DSO operation (like a keepalive or push subscription) that the server does not recognize or has not implemented.

Cách khắc phục

Verify that both client and server support the same DSO-TYPE. Upgrade the server software or fall back to traditional DNS queries.

Sự khác biệt chính

1.

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

2.

DNS 11: DSO-TYPE Not Implemented. The DNS Stateful Operations (DSO) type in the request is not supported by the server.

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 11 when your client attempted a DSO operation (like a keepalive or push subscription) that the server does not recognize or has not implemented.

Khi nào dùng cái nào

For 0 (NOERROR): No fix needed. RCODE 0 means the DNS lookup succeeded as expected. For 11 (DSOTYPENI): Verify that both client and server support the same DSO-TYPE. Upgrade the server software or fall back to traditional DNS queries.

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