DNS Forwarders Needed?

Discussion in 'Windows Small Business Server' started by Bud Recor, Nov 29, 2004.

  1. Bud Recor

    Bud Recor Guest

    Are they needed? If i take my DNS forwarders pointing to the isp out,
    everything seems fine. If i rerun IECW and it puts them back in breaks the
    ability to have anything come up (other than internal) in internet explorer.
    Even though like gotomypc will still work when they are there, nothing else
    like msn messenger that uses http will work..
     
    Bud Recor, Nov 29, 2004
    #1
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  2. Sometimes isps have messed up dns servers. I have removed them at a
    few accounts.

    Jim B. SBS Community Member
    remove the mvp to send email
     
    Jim Behning SBS MVP, Nov 29, 2004
    #2
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  3. Bud Recor

    hester Guest

    we have found that some ISP's DNS servers are unreliable...we have in some
    casses pointed the customers forwarders to an alternate providers DNS
    servers....You do need forwarders for external name resolution
     
    hester, Nov 29, 2004
    #3
  4. Are they needed? If i take my DNS forwarders pointing to the isp out,

    You can either configure your server to forward DNS queries to the ISP's
    DNS servers, or you can configure your server to query the root servers
    directly. Forwarding to the ISP is suggested to minimize the number of
    servers querying the root servers.

    Thanks!



    --

    Wesley Kendall
    Small Business Server Product Support

    This posting is provided "AS IS" with no warranties, and confers no rights.

    Get Secure! http://www.microsoft.com/security

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    Wesley Kendall [MSFT], Nov 29, 2004
    #4
  5. Bud Recor

    Joe Guest

    No, you need them to reduce Internet traffic. Without forwarders, a DNS
    server will go to one of the root servers and work down from there.

    The forwarders are caching servers which will themselves use the root
    servers when necessary, but will reduce load on the roots and top level
    domain servers for popular destinations.

    Your forwarders are normally inside your ISP's network, which means many
    DNS queries never use the Net itself.
     
    Joe, Nov 29, 2004
    #5
  6. Bud Recor

    Bud Recor Guest

    Like i said before, with them in there, no internet. Without them it seems
    to work great. I am using a 2nic setup via a dlink router. I don't know if
    that's making a difference. I just migrated to sbs2003 over the weekend and
    the isp dns numbers i was using in sbs2000 worked just fine, but seem to be
    causing a major hiccup in sbs2003 for whatever reason.
     
    Bud Recor, Nov 30, 2004
    #6
  7. Like i said before, with them in there, no internet. Without them it seems
    Try disabling extended DNS. See KB 832223 Some DNS Name Queries Are
    Unsuccessful After You Upgrade Your DNS Server
    http://support.microsoft.com/?id=832223.

    Thanks!


    --

    Wesley Kendall
    Small Business Server Product Support

    This posting is provided "AS IS" with no warranties, and confers no rights.

    Get Secure! http://www.microsoft.com/security

    =====================================================

    When responding to posts, please "Reply to Group" via
    your newsreader so that others may learn and benefit
    from your issue.

    =====================================================
     
    Wesley Kendall [MSFT], Nov 30, 2004
    #7
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