Yes, you can use name server Glue Records at easyname. The name servers of your domain can be changed at any time from your control panel by navigating to [Domains] → [Manage] (Pen-Symbol) on the right side of your domain. Below the box with the heading "Accessibility" you will find the link [Use custom nameserver].
Please note that the name server Glue Record must be declared in the following format: e.g., "ns1.yourdomain.com / 213.123.234.80“