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.
説明
RR Set that should exist does not. A required resource record set is missing from the zone.
このコードが表示される場合
A DNS UPDATE prerequisite expected a certain RRset to exist (e.g., an MX record), but the zone does not contain it.
解決方法
Create the missing RRset in the zone before retrying the update, or change the prerequisite to not require its existence.
説明
DSO-TYPE Not Implemented. The DNS Stateful Operations (DSO) type in the request is not supported by the server.
このコードが表示される場合
Your client attempted a DSO operation (like a keepalive or push subscription) that the server does not recognize or has not implemented.
解決方法
Verify that both client and server support the same DSO-TYPE. Upgrade the server software or fall back to traditional DNS queries.
主な違い
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.
どちらをいつ使うか
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.