Like @yebyen said in a sibling comment, satire and parody are protected and comcastroturf is pretty clearly satirical, even if it is pointed, critical satire.

Like @yebyen said in a sibling comment, satire and parody are protected and comcastroturf is pretty clearly satirical, even if it is pointed, critical satire. Another comment further down on this post also references a few legal precedents protecting domains that demonstrate protection for domain names along the lines of <trademarkedname>sucks.com Basically, if you're offering a product in a marketplace and benefiting from consumers' familiarity with the trademarked brand then you're probably in trouble. But if you're not, then you're probably okay.