7
DNS
7 YXRRSET
RR Set Exists when it should not. A resource record set exists that the update prerequisite says should not.
On this page
When You See This Code
A DNS UPDATE failed because a specific RRset (e.g., an A record) already exists when the prerequisite required it to be absent.
How to Fix
Delete the conflicting RRset before retrying the update, or adjust your prerequisite conditions to match the actual zone state.
Specification
Compare With
Guides
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RFC 9114: HTTP/3 Protocol Deep Dive
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RFC 3261: SIP Protocol Deep Dive
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Frequently Asked Questions
What is DNS 7 YXRRSET?
RR Set Exists when it should not. A resource record set exists that the update prerequisite says should not.
When do you see DNS 7 YXRRSET?
A DNS UPDATE failed because a specific RRset (e.g., an A record) already exists when the prerequisite required it to be absent.
How to fix DNS 7 YXRRSET?
Delete the conflicting RRset before retrying the update, or adjust your prerequisite conditions to match the actual zone state.