[ILUG] ADSL Trial and Dynamic DNS

[John P. Looney]

On Wed, Jan 30, 2002 at 11:19:05PM -0000, Colm Bennett mentioned:
> So now i have both dial up and dsl working at the same time - the system
> slows down every hour when the SMTP server dials up to check the mail (it
> seems the dial up takes precedence over the dsl).
> 
> Anyways, I have been racking my brain to figure a way round this and the
> only thing I can come up is to use a Dynamic DNS service. Given that there
> is no guarantee that DSL will be immediately available after the trial, I am
> loath to actually switch our mydomain.ie name server over to one these
> Dynamic DNS services. What I was thinking of doing was this...
> 
> 1. Sign up for one the sub-domain services (eg mydomain.tzo.com)
> 2. Get Ericom to change the main MX record for mydomain.ie from
> mail.mydomain.ie (for which they hold the A record pointing to the dial up
> static ip address) to mydomain.tzo.com (whose A record I would be
> dynamically updating). I would leave the higher number MX as Eircom's mail
> server so they would continue to queue for me if I was offline.
> 
> So, the question - would this work??
 
 Sounds good. Get Eircom to get mail for you, then send it an ETRN every
so often to get your mail. I think that's the only way to do it with a
dynamic IP.

 (which is why they charge more for static IPs).

Kate

-- 
_______________________________________
John Looney             Chief Scientist
a n t e f a c t o     t: +353 1 8586004
www.antefacto.com     f: +353 1 8586014