FAQs (and Answers) about Trademark Infringement
 

What to Expect When You're Expecting to Be Sued for Trademark Infringement.

Link to site is here. It makes for good reading.

There are exceptions, and there are clear number of defenses that can be used against trademark holders who knowingly and willingly let you use the domain in question. Among of them is "Nominative Fair Use".

You can argue amongst yourselves what the other defenses are, if any.