These perl scripts goes in hand with the --manual-auth-hook and
--manual-cleanup-hook flags of the certbot command line utility.
Don't forget to edit the user, api key and account id variable.
$USER: The username for your nearlyfreespeech.net account.
$API_KEY: The API key needed to make requests on their backend. You can request it through here.
$ACCOUNT_ID: The account id tied to the registered domain name
(a string like A1B2-C3D4E5F6). You'll find it
there, column
'Account'.
certbot --manual --manual-auth-hook /path/to/nfsn_auth.pl --manual-cleanup-hook /path/to/nfsn_cleanup.pl --agree-tos --email yourmail@example.org --preferred-challenges dns certonly -d example.org