If your domain is registered with Wix, you can access your DNS Zone from your Domain’s page by clicking Show More icon and selecting Manage DNS Records:
You can find detailed tutorials on creating, editing, and deleting DNS records at Wix here: Editing DNS Records in Your Wix Account.
Hostinger default DNS records:
If you face any difficulties while managing DNS Zone at your domain provider, it’s best to contact Wix directly. Alternatively, you can transfer your domain to Hostinger so your hosting and domain will be managed from one place 😊