Use nameserver name or IP?

[Dawn Connelly]

For a server to use a FQDN, it needs to be able to resolve said FQDN. It's a
catch 22. You can't resolve the name if you don't know who to ask to resolve
it for you. Sorry my friend. You are stuck with IP addresses.
On 7/16/07, Padraig Houlahan <pjh at lowell.edu> wrote:
>
> Greetings:
>
> Is there a generally accepted practice when it comes to
> specifying nameservers? Specifically, in /etc/resolv.conf
> files (for example) I normally use the IP form for the
> nameserver. But, this makes it tricky to bring up or replace
> the existing nameserver.
>
> Another example might be in the name-server entry of DHCP
> tables - use the IP or the FQDN?
>
> Many sites seem to use names like ns1.domain.com and
> ns2.domain.com which has the advantage that you can move
> your name services to a new host/IP and as long as the name
> is the same, all clients can use it.
>
> I guess there is a slight overhead in using the FQDN form,
> but is that a price worth paying for the management
> convenience?
>
> FReghards,
>
> PH
>
> Padraig Houlahan
> Director of I.T.
> Lowell Observatory
> Flagstaff, AZ 86001
> (928-233-3214)
>
>
>