[Dnsmasq-discuss] resolving server's hostname
carl at nextdayvideo.com
Sun Feb 19 14:59:37 GMT 2017
Thanks. I thought maybe I should just define it like all other machines,
but wasn't sure if the server's name was a special case.
On Sun, Feb 19, 2017 at 2:59 AM, Albert ARIBAUD <albert.aribaud at free.fr>
> Hi Carl,
> Le Sat, 18 Feb 2017 21:53:52 -0600
> Carl Karsten <carl at nextdayvideo.com> a écrit:
> > [...]
> > so if I set no-hosts, how does dnsmaq figure out how to resolve
> >> dc10b?
> Just the same way it does any other machine; the fact that a machine is
> a name server does not make its name(s) or IP address(es) any special
> in the *content* of the zone it serves.
> For instance:
> - some zone admins will want the local DHCP and DNS server(s) to not
> have any entry in the local zone, because no machine in the LAN is
> supposed to need refering them by name.
> - some zone admins will want to give the DHCP server the name "dhcp"
> and the DNS server the name "dns" because they want to be able to
> not remember the actual IP address for them.
> - some zone admins will want every machine on the LAN to have a name
> which describes the make and model of the machine, e.g. "rpi-1234",
> and they want this to apply to servers too.
> - etc.
> So, really, as far as the zone contents is concerned, dnsmasq does not
> care whether an entry in it is the DNS server, DHCP server, or neither.
> If you want the local machines to know that dc10b is 10.20.1.3, then
> you should have an entry in the zone for it. Whether you do that with
> an /etc/hosts line, or you use no-hosts and put a host-record option in
> your dnsmasq configuration file is up to you. Either method works.
> > ore really, what should I be doing so that 'things work as I expect' ?
> What you should do is define what you expect :) -- i.e. decide how you
> want to manage the content of your LAN zone.
> For instance, in my case I want the the host running my dnsmasq known
> by both a 'given name' and several functional names, and I want *all*
> LAN host names in a single file different from he dnsmasq configuration
> file, so I use addn-hosts to point dnsmasq to this file, which contains
> among others the 'given' and functional names of the dnsmasq server
> But how /you/ do it is really for /you/ to decide; the way /I/ do may
> not fit your needs.
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