dns.resolveCaa(hostname, callback)

• hostname <string>
• callback <Function>
  • err <Error>
  • records <Object[]>

使用域名系统协议为 hostname 解析 CAA 记录。 传给 callback 函数的 addresses 参数将包含可用于 hostname（例如 [{critical: 0, iodef: 'mailto:pki@example.com'}, {critical: 128, issue: 'pki.example.com'}]）的证书颁发机构授权记录的数组。

• 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'}]).