We are having 2 sites at different locations now with a DNS resolver on each site. Internet speed between those two different ISPs is very fast, and the hosts to resolve will be about the same because of similar services.
My idea is to use forward X; on site Y and forward Y; on site X, but, as I couldn't find it in the documents, I believe this could lead to a resolver loop between X and Y and therefore even slower resolution. Or is BIND clever enough to only ask the other server once? My tests seem to indicate it's working well, but maybe someone knows of any issues? There are 2 reasons for this: 1) performance. Having the caches hot on both sides and with a high chance one caches knows entries the other can use, it should be quick. 2) reliability. Asking only internal servers which I can control is more secure than using any ISPs DNS. They start to do the DNS mangling here in Austria also (instead NXDOMAIN they deliver their web sites A record to point to their search engine). mfg zmi -- // Michael Monnerie, Ing.BSc ----- http://it-management.at // Tel: 0660 / 415 65 31 .network.your.ideas. // PGP Key: "curl -s http://zmi.at/zmi.asc | gpg --import" // Fingerprint: AC19 F9D5 36ED CD8A EF38 500E CE14 91F7 1C12 09B4 // Keyserver: wwwkeys.eu.pgp.net Key-ID: 1C1209B4
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