This should allmost work

dpdapi/admin.py

@@ -0,0 +1,19 @@
+from django.contrib import admin
+
+from dpdapi.models import Alias, Domain, User
+
+
+@admin.register(Alias)
+class AliasAdmin(admin.ModelAdmin):
+    list_display = ['source', 'destination', 'active', 'domain']
+    list_filter = ['domain']
+
+
+@admin.register(Domain)
+class DomainAdmin(admin.ModelAdmin):
+    pass
+
+
+@admin.register(User)
+class UserAdmin(admin.ModelAdmin):
+    pass