On Fri, Aug 29, 2008 at 6:27 AM, Robert Spangler <mlists at zoominternet.net> wrote: > On Thursday 28 August 2008 05:50, Mark Quitoriano wrote: > >> hmmm... yeah i think is et everything to 300 which is not good. What >> is the recommended TTL settings? some sites recommend 4 days some 1 >> hour. >> >> >> On Thu, Aug 28, 2008 at 3:17 PM, Michel van Deventer >> >> <michel at van.deventer.cx> wrote: >> > Hi, >> > >> > what is the TTL of your DNS records ? After TTL expires, the slaves >> > don't respond to queries either, because the records aren't valid >> > anymore. If your primary is down longer than the TTL of your DNS records >> > you could reconfigure one of the slaves as a new primary or maybe >> > consider making more than 1 primary. >> > >> > On Thu, 2008-08-28 at 09:01 +0200, Romeo Ninov wrote: >> > > Have you describe all the slave servers in you domain configuration >> > > (in registrant)? >> > > >> > > Mark Quitoriano wrote / napísal(a): >> > > > Hi, >> > > > >> > > > I have 4 bind9 dns installed on centos 4. My primary dns server went >> > > > down and all of my domains doesn't resolve even if the 3 slave dns >> > > > is up and running. Im not sure where to configure this is it in my >> > > > domain registration or in bind? > > It is not your TTL values that is the problem it is the EXPIRE value. > > TTL is used for the caching of the information and tells the cache when to > remove the information. > > EXPIRE is the value that tell the slave how long the information it the zone > file is good for when the master cannot be reached. > > Leave your TTL at 300 (5 min) and change the EXPIRE value to something like a > week or more. > > Ok that clarifies everything :) thanks man!