GFE
Google Fucking Exists.

This is what Google says in their Server header.
$ nc google.com 80
DNS fwd/rev mismatch: google.com != lga15s28-in-f18.1e100.net
DNS fwd/rev mismatch: google.com != lga15s28-in-f20.1e100.net
DNS fwd/rev mismatch: google.com != lga15s28-in-f17.1e100.net
DNS fwd/rev mismatch: google.com != lga15s28-in-f19.1e100.net
DNS fwd/rev mismatch: google.com != lga15s28-in-f16.1e100.net
google.com 74.125.226.210 80 (http) open
HI
HTTP/1.0 400 Bad Request
Content-Type: text/html; charset=UTF-8
Content-Length: 11782
Date: Tue, 20 Dec 2011 14:52:03 GMT
Server: GFE/2.0