I checked the logs for the license server. It looks like the hostname franz*****.net is the one trying to validate the license. I can change it to that for you, or if www.nomesito.com is the right hostname, check the site settings under WP Admin -> Settings -> General (the hostname is coming from the Address URL from your settings there).
Oh, I see what's going on... sorry, I was confused about what nomesito.com is. It does look like the license hostname includes www., but the site isn't using www. I fixed the hostname on your license, so it should work (will either take a few minutes or you can go reenter the license for it to validate immediately.
BTW - the subscriptions are tied to hostnames, so it did require your subscription to be canceled. If you want to redo your subscription, you can with the "Extend" button on your license page: https://appforcf.com/account/licenses
Also, I deleted your post that included your license key (not a great idea to post that for all to see).
No, I've fixed the hostname attached to your license. The license key itself is going to be different with the new hostname though, so on your license page, hit the "View license" link and use that license in your installation: