Domain name fees are not refundable because they are sent directly to the different registers.
The procedure to cancel a domain name is as follows.
1- Please log in to your client area on my.planethoster.net.
2- Go to the “My Services” section of the customer area.
3- Then in the section “My Domains”
4- Select the domain name you wish to cancel (domain management):
5- Go to the bottom of the page where you can find “Auto renewal”
6- Finally, set Auto Renewal to “disabled”: