On Fri, Jan 31, 2014 at 11:10 AM, Steve Presser <st...@pressers.name> wrote:
> Hey all, > Please forgive me if any of my terminology is off - I have not spent as > much time in the documentation as I'd like. > I have an odd situation that I would like to know if it is possible and > would much appreciate a pointer to any relevant documentation or write-ups. > I manage a domain name which, for reasons of reliability, uses an > externally managed DNS server (zoneedit). We're looking to add private > network DNS for internal machines. I've got BIND up and running on an > internal machine. However, we have public records that need to be > accessible internally (SPF, DKMS, jabber servers, MXs, etc). Additionally, > using an internal-only namespace is not an option, due to laptops which go > in and out of the network and need to be able to connect without settings > modification. > I'm trying to figure out how to do some sort of pass through arrangement, > where the internal BIND server will first attempt to do the lookup with > local records. If it has no local record, it will then fall back to the > answer returned by the external (zoneedit) server. > I know that if there was only one server, this would simply be split > horizon. However, I don't know what to call this setup, and am having a > hard time searching for it because of that. (So I apologize if this is then > a dumb question). > > Any help you can offer is much appreciated. Thanks! > Steve > > Hi Steve, I'm afraid I'm not following you here. You have records which absolutely need to be public: SPF, MXs--mail won't work otherwise. Do you want your DKMS and jabber records to be internal-only, or can they be public as well? If everything can be public, why the question? If you want internal-only records, why not just do split horizon of some sort where you use zoneedit as a slave and your local BIND view as a master? That way you have two views, one for internal IPs, and one for external IPs. John
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