Wikipedia via DNS

As a rule, when imposing restrictions on local area networks, administrators leave open, for example, DNS or ICMP. They can be miraculously used to communicate with the outside world.

Here is a great example of an entertaining encapsulation for demonstrating finger-on technology:

> nslookup -type=txt large_hadron_collider.wp.dg.cx

Server: rr0.mtu.ru
Address: 212.188.4.10

:
large_hadron_collider.wp.dg.cx text =

"The Large Hadron Collider (LHC) is the world's largest and the highest-
energy particle accelerator complex, intended to collide opposing beams of proto
ns, from hydrogen atoms stripped of their electrons, or lead ions, two of severa
l types of hadrons, at o"
"ver 99.9999991% of the speed of light. htt://en.wikipedia.org/wiki/Lar
ge_Hadron_Collider"

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