IDN Rating SystemIDN Rating System. Use this as a measure of reference in the quality of an IDN domain. Members can add only one domain in each thread, & can start a new thread once per pay. IDNers must also place a poll in the thread from 1 to 10 (10 Being the highest quality)
"3д порно" gets some existing sites up, probably easy to find an enduser to sell to.
I see a local has the .net. The best would be 3dпорно (d) but you can't mix scripts.
That gets 39,991 wordstat search and 975k google SERP.