DNS 0 NOERROR vs 6 YXDOMAIN
Both DNS 0 (NOERROR) and 6 (YXDOMAIN) 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, 6 means that name Exists when it should not. Used in dynamic updates to indicate a name that should not exist already has records.
الوصف
No error condition. The query completed successfully and the response contains the requested data.
متى تراه
This is the normal, successful response to any DNS query — the name was resolved and the answer section contains the requested records.
كيفية الإصلاح
No fix needed. RCODE 0 means the DNS lookup succeeded as expected.
الوصف
Name Exists when it should not. Used in dynamic updates to indicate a name that should not exist already has records.
متى تراه
A DNS UPDATE prerequisite check failed because the domain name already exists when the update expected it to be absent.
كيفية الإصلاح
Review your dynamic update prerequisites. If you expect to create a new name, remove the existing records first or change the prerequisite to allow existing names.
الفروق الرئيسية
DNS 0: No error condition. The query completed successfully and the response contains the requested data.
DNS 6: Name Exists when it should not. Used in dynamic updates to indicate a name that should not exist already has records.
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 6 when a DNS UPDATE prerequisite check failed because the domain name already exists when the update expected it to be absent.
متى تستخدم أيًا منهما
For 0 (NOERROR): No fix needed. RCODE 0 means the DNS lookup succeeded as expected. For 6 (YXDOMAIN): Review your dynamic update prerequisites. If you expect to create a new name, remove the existing records first or change the prerequisite to allow existing names.