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DNS Certification Authority Authorization (CAA) is an Internet security policy mechanism which allows domain name holders to indicate to certificate authorities<br>whether they are authorized to issue digital certificates for a particular domain name. It does this by means of a new "CAA" Domain Name System (DNS) resource record.<br><br>The content of this field will be included into the DNS zone directly (each line results in a CAA record).<br>If Let's Encrypt is enabled for this domain, this entry will always be added automatically and does not need to be added manually:<br><code>0 issue "letsencrypt.org"</code> (If domain is a wildcard domain, issuewild will be used instead).<br>To enable Incident Reporting, you can add an <code>iodef</code> record. An example for sending such report to <code>me@example.com</code> would be:<br><code>0 iodef "mailto:me@example.com"</code><br><br><strong>Attention:</strong> The code won't be checked for any errors. If it contains errors, your CAA records might not work!

DNS Certification Authority Authorization (CAA) is an Internet security policy mechanism which allows domain name holders to indicate to certificate authorities<br>whether they are authorized to issue digital certificates for a particular domain name. It does this by means of a new "CAA" Domain Name System (DNS) resource record.<br><br>The content of this field will be included into the DNS zone directly (each line results in a CAA record).<br>If Let's Encrypt is enabled for this domain, this entry will always be added automatically and does not need to be added manually:<br><code>0 issue "letsencrypt.org"</code> (If domain is a wildcard domain, issuewild will be used instead).<br>To enable Incident Reporting, you can add an <code>iodef</code> record. An example for sending such report to <code>me@example.com</code> would be:<br><code>0 iodef "mailto:me@example.com"</code><br><br><strong>Attention:</strong> The code won't be checked for any errors. If it contains errors, your CAA records might not work!