On 5/20/09 10:07 PM, mike havens wrote:
> Could I go out and purchase a modem, hook it up to a coax connected to
> the cable system (which is being paid for), and then have free internet
No. DNS is simply a way of associating (harder to remember) IP
addresses with (easier to remember) names. It has nothing to do with
actually obtaining an IP address and Internet connectivity in the first
place.
Perhaps an analogy is in order. Say you want to call John Smith. You
pick up your phone book and search for "Smith, John" and see his phone
number alongside it. You then pick up your phone to call... but have no
dial tone. Just because you have the phone book and now know the number
doesn't mean that you automatically have phone service.
DNS is like the phone book. It just gives you a way of finding a number
given a name.
To actually access the Internet, you'll need to be able to connect to
some entity that is already connected. There are Freenets (not as many
as there used to be) that may allow you to do so over a phone modem.
Typically, though, you will have to pay some company to connect to their
Internet connected servers.
Mind you, once you *are* connected, you are free to use whatever DNS
server you want (assuming that your ISP doesn't block outgoing DNS
ports). That's akin to getting phone service through one company but
using another phone book.
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