----- Forwarded message from bert hubert <[email protected]> -----
Date: Thu, 4 Feb 2010 10:12:48 +0100 From: bert hubert <[email protected]> To: Sudarshan Raghavan <[email protected]> Subject: Re: [Pdns-users] qtype argument to pipe backend is always set to 'ANY' (continued) On Thu, Feb 04, 2010 at 02:41:08PM +0530, Sudarshan Raghavan wrote: > Thanks for the explanation. Consider the scenario where a client wants > to get the NS records for a domain and is not interested in any MX > records that are available for this domain. How is the backed supposed > to know this if 'ANY' is passed? We will end up returning the NS and > MX records in this case. Remember that a database backend is not a DNS protocol. PowerDNS knows about this, and will filter. > I am assuming the answer to this question would be it does not hurt to > send out the MX records in the response. The client gets the > information it wants and the extra stuff will be useful for any > intermediate dns caches. Is my understanding correct? No, PowerDNS discards the other data if it does not need it. Bert ----- End forwarded message ----- _______________________________________________ Pdns-users mailing list [email protected] http://mailman.powerdns.com/mailman/listinfo/pdns-users
