Business Certificate Doesn't verified

I've been trying to verify the domain for a business certificate,

but it seems like the CNAME hasn't been checked or verified, even after a month

The CNAME is already set. as you can see below

aaP_chanmenme2
Hello, there is a CAA record in your domain name. Please delete it first and then verify it.

any solution kern? seems this is pretty useless add-on feature in pro-lifetime