If you wish to contact Netflix to ask them to pick up Dominion, here are several ways for you to do so:

Address

Netflix Inc.
100 Winchester Circle
Los Gatos, CA 95032
United States

Phone

+1 (800) 585-8132

Live Chat

Live chat on the Netflix website

Social Media

• @Netflix on Twitter
• Facebook page
• Tumblr page

More info about getting in touch with Netflix is also on WikiHow.