Virtual machines to the rescue!

C:\Documents and Settings\User\Desktop\temp>perl test.pl
 This site has been moved.
 We'd tell you where, but then we'd
 have to delete you.

C:\Documents and Settings\User\Desktop\temp>perl test.pl
 Chaos reigns within.
 Reflect, repent, and reboot.
 Order shall return.

C:\Documents and Settings\User\Desktop\temp>perl test.pl

C:\Documents and Settings\User\Desktop\temp>perl test.pl
 The Tao that is seen
 Is not the true Tao, until
 You bring fresh toner.
[download]

Seems that it does not always return a haiku.

It's an error message. It only returns haiku on error. :-)