CNAME or A record?

[Peter Pauly]

If you use two "A" records, your web server needs to be setup to handle both
names. If you use a CNAME, you only need to handle the single "A" record
name in the server.

On Wed, Sep 28, 2011 at 10:36 AM, feralert <feralert at gmail.com> wrote:

> Thanks Jeff,
>
> But I really only wrote that as an example :) . The real question is
> what is best or what is recommended, two A RR (one for domain, one for
> www) or a single A RR for domain and a CNAME RR for www, is one way
> better than the other or can I choose either way?
>
> Cheers!,
> Fred.
>
>
>
> On Wed, Sep 28, 2011 at 4:30 PM, Lightner, Jeff <JLightner at water.com>
> wrote:
> > If you set your SOA properly to use "@" (which means "this zone") your A
> records should be:
> >
> > domain.com.             A       1.1.1.1
> > www                     A       1.1.1.1
> >
> > The SOA should append the "domain.com" to every record not terminated by
> a dot so that "www" is read as "www.domain.com".  Similarly you put a dot
> at the end of domain.com A record to prevent it from being appended and
> read as domain.com.domain.com.
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: bind-users-bounces+jlightner=water.com at lists.isc.org [mailto:
> bind-users-bounces+jlightner=water.com at lists.isc.org] On Behalf Of
> feralert
> > Sent: Wednesday, September 28, 2011 10:20 AM
> > To: bind-users at isc.org
> > Subject: CNAME or A record?
> >
> > Hi all,
> >
> > I'm sure this has been asked trillions of times but since I couldn't
> > find any concrete answer/reference in google I am asking you guys in
> > this list. Sorry if anyone thinks this a dumb question or something
> > very obvious.
> >
> > The thing is that i want users redirected to 'www.domain.com' even
> > when they just type the domain name 'domain.com'.
> > In order to do so I am not sure if its best to have one A RR for each
> > or have an A RR for the domain and a CNAME RR pointing to 'domain.com'
> > for 'www.domain.com'.
> >
> >
> > domain.com           A            1.1.1.1
> > www.domain.com   A            1.1.1.1
> >
> > OR
> >
> > domain.com           A            1.1.1.1
> > www.domain.com   CNAME  domain.com
> >
> >
> > Any help appreciated.
> >
> >
> > Thanks,
> > Fred
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> >
> >
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