you can reuse your previous domain name if your ip is the same.
If your ip is different. First you have to delete it from the registrations in “nohost.me” etc.
Nohost domain recovery - Suppression de domaine en nohost.me, noho.st et ynh.fr - #1101 by Doudou
If it is urgent. You can create a new domain name
but you will still have to delete your old domain name on your personal ip.
I hope I have answered your question