I would guess it's custom. It would be every easy to build from scratch.

Yea I thought the same thing but was just wondering.

The Hulu font is actually called Futura Bold. Test it out and download it it here.
http://social-fonts.com/hulu/futura-bold/

Font used: Futura MDd BT

Source: http://www.hongkiat.com/blog/fonts-used-logos-popular-brands/