Score each hot dog length-wise evenly
Program air fryer to 400-degrees and 6 minutes
Put hot dogs in an air fryer liner
Cook hot dogs in air fryer, turning them at 3 minutes
While the hot dogs are cooking, melt butter in a small dish.
Use a pastry brush and brush melted butter on buns until they are evenly coated.
When hot dogs are done cooking, take them out of the air fryer.
Put the cooked hot dogs on the buttered buns and bake them at 400 degrees for 2 minutes.
Take the hot dogs out of the air fryer and top with your favorite toppings.
Serve!