USAGE:
    main [OPTIONS]

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information

OPTIONS:
        --api-ttl <ttl>                   TTL of the DNS records for the api subdomain, in seconds.
        --caa-record <record>             The CAA record the PowerDNS server should return.
        --config-file <path>              Path to a toml configuration file.
        --confirmation-body <s>           The body of the confirmation email.
        --confirmation-title <s>          The title of the confirmation email.
        --db-path <path>                  The database path: file path, postgres://..., mysql://...
        --dns-ttl <ttl>                   TTL of the SOA/NS/MX/TXT/CAA DNS records, in seconds.
        --domain <domain>                 The domain that will be tied to this registration server.
        --email-password <pass>           The password for this email account.
        --email-sender <email>            The email identity to use as a sender.
        --email-server <name>             The name of the SMTP server.
        --email-user <username>           The username to authenticate with.
        --error-page <s>                  HTML content of the email confirmation error page.
        --geoip-continent-af <ip>         The IP address of the tunnel endpoint for Africa.
        --geoip-continent-an <ip>         The IP address of the tunnel endpoint for Antarctica.
        --geoip-continent-as <ip>         The IP address of the tunnel endpoint for Asia.
        --geoip-continent-eu <ip>         The IP address of the tunnel endpoint for Europe.
        --geoip-continent-na <ip>         The IP address of the tunnel endpoint for North America.
        --geoip-continent-oc <ip>         The IP address of the tunnel endpoint for Oceania.
        --geoip-continent-sa <ip>         The IP address of the tunnel endpoint for South America.
        --geoip-database <path>           Path to the GeoIP2/GeoLite2 database.
        --geoip-default <ip>              The IP address of the default tunnel endpoint.
        --host <host>                     Set local hostname.
        --http-port <port>                Set port to listen on for HTTP connections (0 to turn off).
        --https-port <port>               Set port to listen on for TLS connections (0 to turn off).
        --identity-directory <dir>        Identity directory.
        --identity-password <password>    Identity password.
        --mx-record <record>              The MX record the PowerDNS server should return.
        --ns-record <record>...           An NS record the PowerDNS server should return as host=ip (can be specified
                                          multiple times).
        --psl-record <record>             The TXT record used to authenticate against the Public Suffix List.
        --reclamation-body <s>            The body of the domain reclamation email.
        --reclamation-title <s>           The title of the domain reclamation email.
        --soa-record <record>             The SOA record the PowerDNS server should return.
        --socket-path <path>              The path to the socket used to communicate with PowerDNS.
        --success-page <s>                HTML content of the email confirmation success page.
        --tunnel-ttl <ttl>                TTL of the DNS records for tunnels, in seconds.
        --txt-record <record>             The TXT record the PowerDNS server should return.