Search Again: Re: Primary vs. Secondary From: Peter Lalor Date: Sunday, May 7, 2000 Time: 11:56:56 am I wanted to belatedly chime in on this one now that I've turned it over in my head for awhile. >From: "Global Homes Webmaster" <webmaster@globalhomes.com> > >On 05/03/00 at 16:21, Joe LeBlanc wrote: > >> I always thought that my Secondary DNS server would only get use if the >> Primary one is down, or not available. Yet it gets as much traffic as the >> Primary. Is this normal? and if not, any reason that the Secondary one is > > getting hit so hard? Thanks. > >As far as resolving DNS queries is concerned, there's no difference between >'primary' and 'secondary' name servers. Which is to say that, in this context, >the terms 'primary' and 'secondary' do not imply that one is the 'main' server >and the other is a 'back-up' server. There's no provision in the DNS database >(i.e. in NS records) for differentiating between primary and secondary >servers, so all of the servers with authority for a given domain are treated >as peers. In fact, there is really no way to guarantee that NS records will >even be returned in any particular order in response to queries. All name >servers listed in NS records for a domain should expect to see a roughly equal >number of requests for the domain. (Most resolvers will tend use the server >that responds fastest, but you should still expect all of your name servers to >get some significant share of the traffic.) > > Christopher Bort

Messages In This Thread: Primary vs. Secondary by Joe LeBlanc on May 3, 2000 at 4:21:46 pm Re: Primary vs. Secondary by Mia''s Virtual Post Office on May 3, 2000 at 4:39:59 pm Re: Primary vs. Secondary by Global Homes Webmaster on May 3, 2000 at 5:12:24 pm Re: Primary vs. Secondary by Peter Nilsson on May 4, 2000 at 1:56:04 am Re: Primary vs. Secondary by Peter Lalor on May 7, 2000 at 11:56:56 am Re: Primary vs. Secondary by Men & Mice Support on May 7, 2000 at 12:55:36 pm