DNS 0 NOERROR vs 17 BADKEY
Both DNS 0 (NOERROR) and 17 (BADKEY) 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, 17 means that key not recognized. The TSIG key name in the message is not configured on the server.
描述
No error condition. The query completed successfully and the response contains the requested data.
何时出现
This is the normal, successful response to any DNS query — the name was resolved and the answer section contains the requested records.
如何修复
No fix needed. RCODE 0 means the DNS lookup succeeded as expected.
描述
Key not recognized. The TSIG key name in the message is not configured on the server.
何时出现
Your TSIG-signed query or update references a key name that the server does not have in its keyring, so it cannot verify the signature.
如何修复
Ensure the TSIG key name matches exactly (case-sensitive) on both client and server. Add the missing key to the server's configuration if it is a new key.
主要区别
DNS 0: No error condition. The query completed successfully and the response contains the requested data.
DNS 17: Key not recognized. The TSIG key name in the message is not configured on the server.
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 17 when your TSIG-signed query or update references a key name that the server does not have in its keyring, so it cannot verify the signature.
何时使用哪个
For 0 (NOERROR): No fix needed. RCODE 0 means the DNS lookup succeeded as expected. For 17 (BADKEY): Ensure the TSIG key name matches exactly (case-sensitive) on both client and server. Add the missing key to the server's configuration if it is a new key.