Domain Name: THISWEBSITEDOESNOTEXIST.COM
  Creation Date: 2005-08-26-T19:04:47Z
  Updated Date: 2018-08-23-T01:12:14Z
  Registrar Registration Expiration Date: 2019-08-26

And I'm pleased to say that (as I write this, at least) the registrant has done exactly what I had intended to do with it.