[ale] DNS Server Config for Two Domain Names?

[Matt Smith]

If in the zone file, you use @ at the top, rather than a domain name, you
can reference the zone file twice in your named.conf file for two different
domains and the two domains will be identical.

Here's an example (Private IP's used):

Named.conf snippet.


zone "ryan.com" in {
        type master;
        file "myhosts";
};

zone "neily.com" in {
        type master;
        file "myhosts";
};

---------------------------------------
Here's what myhosts needs to look like:

$TTL 3600
@            IN   SOA     dns  mailhost. (
                          2001071901            ; Serial
                          10800                 ; Refresh
                          1800                  ; Retry
                          3600000               ; Expire
                          259200 )              ; Minimum

                        MX      10 10.1.1.1
                        NS      10.1.1.1
                        A       10.1.1.1

www                     A       10.1.1.1
mail                    A       10.1.1.1
localhost    IN   A       127.1 ; note that 127.1 is the same as 127.0.0.1;
see inet(3n)

--------------------------------------

That should work.  Now you'll have www, mail, etc for both domains...  I may
have a syntax error somewhere, but I'm sure bind will tell you where. :)


--Matt


-----Original Message-----
From: Ryan Neily [mailto:ryan at neily.net]
To: ale at ale.org
Sent: Monday, July 15, 2002 4:49 PM
To: ale at ale.org
Subject: [ale] DNS Server Config for Two Domain Names?



Are there any DNS/BIND freaks out there that can answer this question?

I am looking to change an authoritative DNS server (Bind 9.21) so that it 
it will resolve for two domains at the same time.  What I am looking to 
do is have a domain (for example ryan.com) and another domain (for 
example neily.com) resolve for the same hosts. (Meaning hostx.ryan.com and 
hostx.neily.com will resolve to the same IP address)  I know that I can 
make duplicate copies of the data and reverse files, but then when 
updating, I will have to make changes in two places...

Is there any way to do like an "alias" in BIND 9.21?  It seems like this 
would be common knowledge as many companies own multiple domains. 

Any ideas?

-- 
Ryan Neily
ryan at neily.net


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