Apache2 Lets enrypt .well-known/acme-challenge directory not accessible

[rg305]

@peterklas

<VirtualHost *:80>
   
    ServerName x-econ.org
    ServerAlias www.x-econ.org

    Header edit Set-Cookie ^(.*)$ "$1; HTTPOnly; Secure"

    #RewriteEngine On
    #RewriteRule ^/$ http://www.x-econ.org/xecon/#!Upload [NE,R]
    ErrorLog ${APACHE_LOG_DIR}/x-econ-errors.log
    CustomLog ${APACHE_LOG_DIR}/x-econ-access.log common

</VirtualHost>

There is no DocumentRoot.
And no redirection either.

There is no sure fire way to know exactly where it will default to.