dhcp update dns

[Kevin Darcy]

Sorry, I thought you were talking about web-content caching, not DNS answer
caching.

The www.google.com A record has only a 5-minute TTL, so it'll expire from the
cache quite frequently. That's completely under the control of the domain owner;
there's not a lot you can do about it.


- Kevin

T wrote:

> im sorry if i asked the wrong questions. i get the point though. ill learn
> how to setup a better dhcp server.
>
> I did think my other question was on topic though so ill ask again.
> If I setup a caching dns server on my lan why will some web sights be cached
> and others will not?
> as an example some web sights will be looked up and cached. on a
> return visit it will be pulled from cache. other web sight on a return
> visit will be looked up as if it was never visited and there was no cache
> value added. google is such a sight.
>
> the way i understand it, if i go to a sight it does not mater who looked it
> up and it will be cached on my server because the query was answered until
> a timeout period is reached.
>
> it just does not seem working right to me with all web sights i visit.
> (some not all)
> excuse my ignorance. ;-)
>
> have a good one
>
> On Thu, 07 Nov 2002 01:19:58 +0000, Kevin Darcy wrote:
>
> >
> > T wrote:
> >
> >>  I was wondering how to get dhcp to add client names and address to DNS?
> >>  I use the dhcp built into the linksys router. will that work?
> >>  I have the acl setup to allow-update from that address.
> >
> > I don't see anything in the Linksys documentation which suggests it has the
> > ability to generate Dynamic Updates to a DNS server. What do you expect from
> > such a cheap device (don't take that personally: I use a Linksys too)? If you
> > already have a functional DNS server on your LAN, why don't you make it a
> > DHCP server as well and then you can integrate them together?
> >
> >>  I was also wondering why some web sights will be cached and others will
> >>  not? as an example some websights will be looked up and cached. on a
> >>  return visit it will be pulled from cache. other web sight on a return
> >>  visit will be looked up as if it was never visited and there was no cache
> >>  value. google is such a sight.
> >
> > That's not really on-topic for this group. I'd ask whomever is doing this
> > caching (your ISP?).
> >
> >
> > - Kevin