IDK, but I've been anxious AF for a chance to use Afghanistan's, and it doesn't seem to be actively administered.
> Domains considered profane will not be considered on any level, and the application will be dissolved with the applicant being notified, and future requests for the same domain name will be ignored. '.ck' domains are monitored on the web, on a regular basis for profanity on the Internet if it is found to be doing so, or if the site is deemed inappropriate, the domain will be terminated without notification or refund.
If they were that worried about the crude name possibilities, I wonder why they didn't go with ".com.ck" like some other gTLDs did?
Example of live .AF companies: