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acme-dns returns NXDOMAIN for A records of existing subdomains rather than NOERROR with empty answer #257
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Can confirm this issue. |
I opened a PR to fix this: #264 |
We ran into the same problem, do you need any help with the fix? |
Feel free to use it :-) |
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If acme-dns is accidentally asked for an A record rather than a TXT record of an existing subdomain, it returns NXDOMAIN which might be cached for one day (due to SOA settings). If it is cached, the caching server keeps responding NXDOMAIN even if the initial error is corrected and the corresponding TXT record is requested.
A simple (pseudo-)reproducer is:
According to this blog article returning NOERROR with an empty answer would be the correct behaviour.
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