Setting-up DNS via Cable Modem with Static IP

Hi all,

I've been told by many that this is possible, but I'm having trouble
seeing how to put the pieces together to get this going.

I have a broadband cablemodem where my IP changes periodically (about
once every 4-5 months generally). My broadband connection is rather
rock solid, and AFAIK it hasn't gone down but maybe once or twice in
the 2 years I've had it.

Anyway, I want to use Bind to do my own DNS, but I'm not sure how to
set it up. I can go through a service like dynip.com or another to
get a domain name pointed to my home network, but from there I'm not
sure what's next.

Example, through a dynip-type service I can tie say mydomain.com to my
home network. But how do I tie like ns1.mydomain.com and
ns2.mydomain.com to my home network for DNS? Then if I want to do say
ftp.mydomain.com or telnet.mydomain.com to seperate IP's, I take it
this is where Bind comes into play, but again--- not sure how this all
ties in to one another.

I've read through Bind how-to's plus Googled this quite a bit, but
I've yet to find the exact scenario I'm running into.

Has anyone done this before? If so, I'd love a quick synopses or
similar -- not really technical details, but maybe what services you
used (if any) and basic steps you went through.

Thanks in advance, and take care,

Sam

> Hi all,
>
> I've been told by many that this is possible, but I'm having trouble
> seeing how to put the pieces together to get this going.
>
> I have a broadband cablemodem where my IP changes periodically (about
> once every 4-5 months generally). My broadband connection is rather
> rock solid, and AFAIK it hasn't gone down but maybe once or twice in
> the 2 years I've had it.
>
> Anyway, I want to use Bind to do my own DNS, but I'm not sure how to
> set it up. I can go through a service like dynip.com or another to
> get a domain name pointed to my home network, but from there I'm not
> sure what's next.
>
> Example, through a dynip-type service I can tie say mydomain.com to my
> home network. But how do I tie like ns1.mydomain.com and
> ns2.mydomain.com to my home network for DNS? Then if I want to do say
> ftp.mydomain.com or telnet.mydomain.com to seperate IP's, I take it
> this is where Bind comes into play, but again--- not sure how this all
> ties in to one another.

I don't know about all of the dyn DNS services, but for example the free
service at dyndns.org provides you a checkbox that allows all hosts
named *.mydomain.com to be resolved to your same IP. After that you can
distinguish the host by the port at which the query is directed.

Alternatively, you can specify up to 5 separate host names with
different IP address free at dyndns.org. But I don't know how that
would help you if you have just a single-IP broadband connection at
home.

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