DNS

DNS 0 NOERROR vs 19 BADMODE

Both DNS 0 (NOERROR) and 19 (BADMODE) 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, 19 means that bad TKEY Mode. The TKEY mode field contains a value not supported by the server.

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

Bad TKEY Mode. The TKEY mode field contains a value not supported by the server.

Ketika Anda Melihatnya

Your client attempted a TKEY key exchange using a mode (e.g., Diffie-Hellman, GSS-API) that the server does not support or has not been configured for.

Cara Memperbaiki

Check which TKEY modes the server supports and configure your client to use a compatible mode. GSS-TSIG (mode 3) is the most widely deployed.

Perbedaan Utama

1.

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

2.

DNS 19: Bad TKEY Mode. The TKEY mode field contains a value 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 19 when your client attempted a TKEY key exchange using a mode (e.g., Diffie-Hellman, GSS-API) that the server does not support or has not been configured for.

Kapan Menggunakan Yang Mana

For 0 (NOERROR): No fix needed. RCODE 0 means the DNS lookup succeeded as expected. For 19 (BADMODE): Check which TKEY modes the server supports and configure your client to use a compatible mode. GSS-TSIG (mode 3) is the most widely deployed.

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