DNS 8 NXRRSET vs 11 DSOTYPENI
Both DNS 8 (NXRRSET) and 11 (DSOTYPENI) 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, 11 means that dSO-TYPE Not Implemented. The DNS Stateful Operations (DSO) type in the request is not supported by the server.
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
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
DNS 8: RR Set that should exist does not. A required resource record set is missing from the zone.
DNS 11: DSO-TYPE Not Implemented. The DNS Stateful Operations (DSO) type in the request is not supported by the server.
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 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 8 (NXRRSET): Create the missing RRset in the zone before retrying the update, or change the prerequisite to not require its existence. 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.