Yes, afaik DLC's don't have a mandatory lifespan. Any backend that can pay / receive on LN with a fiat balance would work (plus a bunch of other specific requirements). 

@note1eytfyxm8pqey67twfaja8g23djxj7wm4snwjxtun3rhqt77ghumq26crp0 

 Was trying to link to this nostr:note1eytfyxm8pqey67twfaja8g23djxj7wm4snwjxtun3rhqt77ghumq26crp0