Dirk Rijmenants (drdefcom) Cipher Machines and Cryptology has moved from it's long time address at telenet.be to its own domain.
This move was announced in the Enigma World Code Group Forum
If you are looking for the Enigma Simulator or the Enigma Codebook Generation tool, those can be downloaded at the links below:
There is also a blog at:
Want to read more? Here is a page with a lot of information on the Enigma Machine and Cryptology. (H/T E.K.)