Page is a not externally linkable
-- Webmaster General
---- typing in a bogus url causes browser to perform Google search?
phranque - 11:57 am on Feb 20, 2012 (gmt 0)Thread source:: http://www.webmasterworld.com/webmaster/4419492.htm
it's possible your ISP is intercepting NXDOMAIN responses from your browser's DNS checks and sending the request to their own servers.
they may even believe they are doing you a favor.
Brought to you by WebmasterWorld: http://www.webmasterworld.com