CAA records (0 issue "letsencrypt.org") instruct certificate authorities to refuse issuance unless they're on the allowlist. Defense against misissuance.
CAA record
Tells CAs which authorities are allowed to issue certs for this domain.
Tells CAs which authorities are allowed to issue certs for this domain.
CAA records (0 issue "letsencrypt.org") instruct certificate authorities to refuse issuance unless they're on the allowlist. Defense against misissuance.