Failed to renew TLS certificate (no apparent cause)

Site name:

I recently got an email with the the following error message:

SniCertificate::CertificateNonvalidError: Unable to verify challenge for Invalid response from "\n\n\n\n

I have not been able to resolve this error. I looked at some of the similar topics on this forum but none of them seem quite the same – in particular, I haven’t changed any DNS settings for the site, and previously it was working just fine.


Hey @LukeGompertz

I see two A records for

% dig A 271	IN	A 271	IN	A

The second record (listed above) is correct as per configure external DNS documentation. The first record is not. Remove the A record for and this should resolve the issue.

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