[CentOS] Split dns issues

Bill Campbell centos at celestial.com
Sun Aug 2 19:20:17 UTC 2009

On Sun, Aug 02, 2009, Jason Pyeron wrote:
>We have internal DNS servers that will override the A record for selected hosts.
>Example mail.pdinc.us will have a different internal ip than external. This has
>always been a fine way to handle it as the zone files are for that specific
>host, and there have never been subdomains before.
>Now we want to just override the MX records for pdinc.us without having to merge
>or manage all the records for every entry/subdoamin in the zone file for
>Any ideas/questions?

We have been doing this with djbdns for years.  The tinydns data files
permit suffixes (suffices?) based on the querying IP address to return
information specific to that IP range.  That is a request for
support at example.com from an ip in may return the private LAN
address while one from the outside world the public IP, perhaps on a
different server.

INTERNET:   bill at celestial.com  Bill Campbell; Celestial Software LLC
URL: http://www.celestial.com/  PO Box 820; 6641 E. Mercer Way
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