CNAME or A record?

[Lightner, Jeff]

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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