DNS CAA: references
References on DNS Certification Authority Authorization (CAA) and related mechanisms.
CAA (Wikipedia) - what CAA is and how it works.
RFC 8659 - the CAA specification.
DANE (Wikipedia) - binding certificates to names through DNS.
Certificate Transparency (Wikipedia) - public logs of issued certificates.
HTTP Public Key Pinning (Wikipedia) - an older pinning mechanism, now deprecated.
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