col6.miraheze.org: <You should have your miraheze.org
subdomain. Please list that here, so we can know what URL you currently
have. If your wiki is not created yet, you can make a task first and
click "Edit Task" to change it later.>

wiki.col6.de: <Replace this with your desired wiki domain.>

Yes: <Yes/No, if No, we will provide you a CSR
which you will send it over to CA to get a certificate. You will likely
get a certificate in a zip file: Just upload all the files you're given
by them.>