If your domain is registered with eNom, you can access your DNS Zone by clicking on Manage Domain → Host Records:
You can find detailed tutorials on creating, editing, and deleting DNS records at eNom here: How to: Change DNS Host Records.
Hostinger default DNS records:
If you face any difficulties while managing DNS Zone at your domain provider, it’s best to contact eNom directly. Alternatively, you can transfer your domain to Hostinger so your hosting and domain will be managed from one place 😊