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I am using Hurricane Electric Free DNS for DNS hosting. When I try to add CAA record for letsencrypt certificate, it gives an error. How can I add CAA record?

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To add the CAA record, follow these steps:

  • Log into the Hurricane Electric Free DNS Management panel.
  • Select the domain you want to add the CAA record.
  • In the "Managing Zone" panel, click on Additional -> New CAA links. It will show a popup window "Type 'CAA Record".
  • In the Name (A name may only contain A-Z, a-z, 0-9, _, -, and .. '@', '*', or the hostname may be used where appropriate.) field, enter the domain or hostname. If you are adding CAA for the domain, just add @.
  • In the 'CAA data' (CAA records MUST contain a [FLAG] [iodef|issue|issuewild] "[VALUE]" ) field, you need to provide 3 values: FLAG, iodef|issue|issuewild, certificate issuer.
E.g., If I want to use "issue" for "letsencrypt", I will write the following in the CAA data field.
0 issue "letsencrypt.org"
  • Click on the submit button and it should not give any error.