Re: Temporary failure in name resolution
On Friday, April 02, 2021 04:35:58 PM Greg Wooledge wrote:
> On Fri, Apr 02, 2021 at 04:15:07PM -0400, rhkramer@gmail.com wrote:
> > Sort of building on this question, and just trying to educate myself, if
> > the
> >
> > DSL modem had a caching nameserver:
> > 1) would your computer need to specify the IP of that modem
> > (presumably)
> >
> > 192.168.1.254 to take advantage of the caching?
>
> Regardless of whether the router's nameserver is forward-only or caching,
> you would still need to put its IP address in the resolv.conf file of
> each client that intends to use it. Normally this is done by advertising
> it via DHCP.
>
> > 2) would the caching feature be bypassed if your computer used the
> > public
> >
> > DNS name servers (e.g., 8.8.8.8, 8.8.4.4, and 1.1.1.1)? (Or if they were
> > listed before the modem IP address?)
>
> You would be using the cached results stored by those external
> nameservers. Those are *extremely* popular nameservers, so one may
> assume they will have basically the entire Internet namespace cached
> most of the time.
Thanks!
I guess I phrased my question poorly -- I wondered if that would bypass the
cache (if present) in the DSL modem?
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