Problem renewing certificate related to CAA record

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My domain is:

I ran this command: my own renewal tool based on AcmeSharpCore that I have been using for years

It produced this output:
Waiting for authorization to be validated: {"identifier":{"type":"dns","value":""},"status":"invalid","expires":"2021-09-08T17:12:02Z","challenges":[{"type":"dns-01","url":"","status":"invalid","validated":"2021-09-01T17:14:04Z","validationRecord":[{"hostname":""}],"error":{"type":"urn:ietf:params:acme:error:caa","detail":"CAA record for * prevents issuance","status":403},"token":"Sv--xhyRB5k5SF5hmYiQorgz5ddAqSI9S944sFwZ6hA"}],"wildcard":true}

My web server is (include version): IIS

The operating system my web server runs on is (include version): Windows 2019

My hosting provider, if applicable, is: Azure

I can login to a root shell on my machine (yes or no, or I don't know): yes

I'm using a control panel to manage my site (no, or provide the name and version of the control panel): no

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot): n/a


since this morning I have been unable to renew certificate for * and I am getting a CAA record related error. I retried an hour later to see if it was a temporary issue and the issue is still present. For debugging purposes, I tried renewing another certificate (* and the renewal was successful.

I inspected my CAA records for and they looks OK ( is present). The letsdebug site is green so my CAA records should be configured correctly.

I am at a lost with what else I can do to resolve the issue and I welcome any help.


Here are the links I used to help with my debugging:

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The issuewild is missing for LE:



I was not aware of the difference between issue and issuewild...and it's obvious now that I think about it :slight_smile:

I was able to renew the certificate after adding that record.

Thanks again!


Excellent :slight_smile:
Cheers from Miami :beers:

#FreeCUBA :cuba:

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