I have asked the department which handle this and they say:
Presently, we do not discriminate against adult content on our hosting servers. Please keep in mind that we do reserve the right to censor any web site hosted on our servers that we deem inappropriate or that is in violation of law. You are responsible for insuring that your web site conforms to all local, state, federal, and international laws. Further, you are responsible for insuring your legal copyright is in place for any images, text, or other web site elements, and that your content does not infringe upon any other copyright.
Please let us know if we can help you in any other way.