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DKIM cname record name (generated by AWS SES) is > 63 characters which exceeds the DNS limit

This is a quite old thread, but since nobody seems to have noticed the problem with the premise of the question: i am unable to update the CNAME DKIM records on the DNS provider as the maximum length ...
grawity's user avatar
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DNS: cname wildcard entry subdomain with hyphen

A wildcard cert can indeed match part of a level, but it has to be the leftmost part. https://datatracker.ietf.org/doc/html/rfc6125#section-6.4.3 for more information.
Chris Chipman's user avatar

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