Another good reason why you should always use "example.com".

kisielk · on March 2, 2013

I edited the answer so it says example.com now.

fidz · on March 2, 2013

I'm surprised http://example.com is reserved by IANA.

rwg · on March 2, 2013

It's reserved per RFC 2606: http://tools.ietf.org/html/rfc2606

saraid216 · on March 2, 2013

...why is that surprising?

jthol · on March 3, 2013

Because it makes sense. These sorts of things normal are allowed to go through so that horrible unintended consequences can be wrought on the unsuspecting.

libria · on March 3, 2013

Unless, you know, you want to be in the #1 spot on a Google search.