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    dns.resolveCaa(hostname, callback): void
    Attributes
    hostname:string
    callback:Function
    err:Error
    records:Object[]

    Uses the DNS protocol to resolve CAA records for the hostname. The addresses argument passed to the callback function will contain an array of certification authority authorization records available for the hostname (e.g. [{critical: 0, iodef: 'mailto:pki@example.com'}, {critical: 128, issue: 'pki.example.com'}]).

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