Multiple domains on one server

Rick Knight rick at rlknight.com
Wed Nov 24 19:41:16 UTC 2004


Kevin Darcy wrote:
> Rick Knight wrote:
> 
> 
>>Hope someone can answer this for me, I've searched the 'net looking for an
>>answer but can't quite find one.
>>
>>I own two domains, home.com and sales.com. Currently I have home.com up
>>and running, without any problems, on a single server. My DNS seems to be
>>working perfectly along with ftp and www servers. Now I've configured the
>>server with an additional IP address for sales.com.  I want to add
>>sales.com to my existing DNS so that I will have both home.com and
>>sales.com running on the same server with seperate IPs. How do I go about
>>doing this? Is it possible? I keep finding hints about it but nothing
>>concrete.
>>
> 
> I'll assume your question is about how to get two DNS zones served from 
> a nameserver with multiple interfaces. BIND will by default listen on 
> all active interfaces, so there's no special configuration needed. It'll 
> even scan periodically for new interfaces (the scan frequency is 
> configurable and can even be set to 0 if all of your interfaces are 
> static). Just define the sales.com and home.com zones in named.conf, 
> delegate sales.com to that server (and its slave(s)), just like you've 
> already delegated home.com, and start serving both zones.
> 
> Optionally, you could have a different name resolve to the second IP 
> address and delegate sales.com to that (and its slave(s)). But frankly, 
> I don't see why you'd go through the administrative bother of doing 
> that. Some experts recommend that you delegate exclusively to names that 
> are in the zone being delegated, but personally I regard that as wishful 
> thinking on their parts.
> 
> BTW, if by any chance you're thinking about trying to satisfy the "at 
> least 2 nameservers for every zone" rule by running both "nameservers" 
> on the same box, think again -- the whole purpose of the rule is to 
> ensure redundancy, and you don't get much of that when you run both on a 
> single box.
> 
> As for getting multiple virtual hosts defined in your webserver, that's 
> off-topic for this list...
> 
>                                                                          
>             - Kevin
> 
> 
> 

Sorry for the triple post. I didn't realize this list was moderated. 
Thought the messages had not gone through for other reasons.

Thanks,
Rick Knight



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