[DNS] Document child zone delegation behavior for subdomain setup decommissioning#31638
[DNS] Document child zone delegation behavior for subdomain setup decommissioning#31638ngayerie wants to merge 1 commit into
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This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:
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1 issue to address before merge.
MEDIUM — The 4-step procedure must use the Steps component (mandatory for multi-step procedures per the style guide). Also add Steps to the component import on line 14. LOW — Remove redundant "If needed" from the optional step.
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Review complete. Labels applied: PR summary: Adds a "Decommission a subdomain setup" section to Issues flagged:
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…ioning When a subdomain is set up as a child zone, Cloudflare serves NS delegation based on the zone's active status, not based on NS records in the parent zone. Customers must delete the child zone to stop delegation — removing NS records from the parent zone alone does not work. Resolves DEE-3626
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Preview URL: https://3f92282f.preview.developers.cloudflare.com Files with changes (up to 15)
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Review✅ No issues found in commit Code ReviewThis code review is in beta and may not always be helpful — use your judgment. ✅ No code review issues found. Style Guide Review✅ No style-guide issues found. CommandsOnly codeowners can run commands. Post a comment with the command to trigger it.
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Summary
When a subdomain is set up as a child zone on Cloudflare, NS delegation is served automatically based on the child zone's active status — not based on NS records stored in the parent zone. Customers may expect that deleting NS records from the parent zone stops the delegation, but it doesn't. The child zone must be deleted to stop serving delegation.
This PR adds a "Decommission a subdomain setup" section to the subdomain setup page with clear steps.
Changes
dns/zone-setups/subdomain-setup/setup/index.mdxStats
1 file changed, +13 insertions
Resolves DEE-3626