RE: DNS (OT)

From: dbrett (dbrett_at_tcn.net)
Date: 09/30/03

  • Next message: Bo Peng: "Re: LFS support" 
    To: Barry Johnson <redhat@baj.us>
Date: Tue, 30 Sep 2003 14:09:36 -0400 (EDT)

    The computers in the domain were all up. So even if the entries were
    cached shouldn't the requests still work. (I thought the zone entries were
    cached not the DNS)

    I though with the first two servers down, the request would go to the
    third server. What am I missing?

    david

    On Tue, 30 Sep 2003, Barry Johnson wrote:

    > This has to do with how long you primary and secondary dns servers have
    > been down. Since most dns servers operate a cache it will take awhile
    > for all the correct settings to propagate around the ether world. If
    > they have been down for more than a couple of days I would say your dns
    > server isn't properly registered. To work around this I would assign
    > the ip address of your primary dns server to the third one that is still
    > up if that is possible.
    >
    > Barry Johnson
    > Systems Administrator
    >
    > -----Original Message-----
    > From: redhat-list-admin@redhat.com [mailto:redhat-list-admin@redhat.com]
    > On Behalf Of dbrett
    > Sent: Tuesday, September 30, 2003 1:53 PM
    > To: redhat-list@redhat.com
    > Subject: OT: DNS
    >
    >
    > This is more of an Internet DNS question. We have three DNS servers
    > registered for our domain. Unfortuantely two of the servers are down
    > and the third one is up and operational.
    > If someone were to do a query for the domain it would fail. If the
    > query was done to the third DNS directly it would succed.
    >
    > Does anybody understand why?
    >
    > david
    >
    >
    >
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