DNS 8 NXRRSET vs 9 NOTAUTH
Both DNS 8 (NXRRSET) and 9 (NOTAUTH) belong to the DNS Response Codes (RCODEs) category. 8 indicates that rR Set that should exist does not. A required resource record set is missing from the zone. Meanwhile, 9 means that server Not Authoritative for zone, or Not Authorized. The server is not authoritative for the zone named in the Zone section.
Mô tả
RR Set that should exist does not. A required resource record set is missing from the zone.
Khi bạn thấy mã này
A DNS UPDATE prerequisite expected a certain RRset to exist (e.g., an MX record), but the zone does not contain it.
Cách khắc phục
Create the missing RRset in the zone before retrying the update, or change the prerequisite to not require its existence.
Mô tả
Server Not Authoritative for zone, or Not Authorized. The server is not authoritative for the zone named in the Zone section.
Khi bạn thấy mã này
You sent a dynamic update or zone operation to a server that is not the authoritative master for that zone, or the server rejected it due to TSIG authentication failure.
Cách khắc phục
Send the update to the correct primary authoritative server for the zone. If using TSIG, verify the key name and secret match on both client and server.
Sự khác biệt chính
DNS 8: RR Set that should exist does not. A required resource record set is missing from the zone.
DNS 9: Server Not Authoritative for zone, or Not Authorized. The server is not authoritative for the zone named in the Zone section.
You encounter 8 when a DNS UPDATE prerequisite expected a certain RRset to exist (e.g., an MX record), but the zone does not contain it.
You encounter 9 when you sent a dynamic update or zone operation to a server that is not the authoritative master for that zone, or the server rejected it due to TSIG authentication failure.
Khi nào dùng cái nào
For 8 (NXRRSET): Create the missing RRset in the zone before retrying the update, or change the prerequisite to not require its existence. For 9 (NOTAUTH): Send the update to the correct primary authoritative server for the zone. If using TSIG, verify the key name and secret match on both client and server.