I received the domains from an anonymous person who claimed to have worked with Satoshi in the early days. He claimed that Satoshi split up his assets before leaving in order to prevent too much centralisation: The SourceForge project to Gavin, bitcoin.org to Sirius, and the two other domains to this anonymous person.
Sounds legit
Absolutely legit. And I admire that he didn't choose to put it all in The Bitcoin Foundation's hand. I'm just trying to understand how the transfer could happen without Satoshi or at least someone having his login credentials at anonymousspeech.com.
The whois registration of bitcoin[.net][s.org] remained "locked" until Theymos took ownership Nov 2013. (Signup for a trial domaintools account to confirm all of this.) Contrast this with Bitcoin.org which changed from "locked" in May 2011 so that it could be transferred to Sirius. The transfer post-Satoshi pre-Theymos to the "anonymous" owner would have to have happened on Dec 27 2010. Why? Transfer internally between Anonymousspeech accounts would require at least extending the renewal period by one year. The last time those domains had years added was on Dec 27 2010, when the max 5 years were added. So this would have to have been the date that Satoshi handed off to the anonymous owner. It's possible that he did this in 2010 and then took his ride to the space shuttle mid 2011 to never be heard from again. But its also possible he is still alive and made the transfer himself just a couple months ago.