DNS Zones - Multiple zones or one?

Discussion in 'DNS Server' started by Tom, Nov 8, 2005.

  1. Tom

    Tom Guest

    Hello. We're planning AD rollout next week and are having a tough time
    deciding how to design DNS. We have three sites, each with their own
    subnet. Our Nashville site has about 900 PCs, Omaha has 13 PCs and Philly
    has about 25. In testing, we tried setting up multiple zones, one for each
    site (nash.xyz.com, omaha.xyz.com, etc) but we were then unable to resolve
    from a PC in one zone to one in another zone. How do we resolve across
    zones? With only 13 and 25 in the other sites, is there even a need to
    create separate zones for them? If having 938 PCs in one zone is okay, it
    would be prefeable to have them all in one zone.

    Thanks,



    Tom
     
    Tom, Nov 8, 2005
    #1
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  2. Tom

    Phil Guest

    Try setting up a zone for each location and make sure that they are Active
    Directory Integrated zones. Have the zone replicate to all of your DC's at
    all of your sites. This way each DC at each site is holding a master record
    for each of your zones.

    We have over 10K dns records in one zone.

    P
     
    Phil, Nov 10, 2005
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  3. Tom

    Tom Guest

    Thanks P. I've decided to keep the network as one zone, AD integrated.
    This is less complex, and there doesn't seem to be a need to set up a zone
    for 25 PC and another for 13 PCs. The zone will have those PCs plus 800 in
    the main office. Do you see this causing any issues or do you think
    multiple zones would be better?

    Thanks again,


    tom
     
    Tom, Nov 10, 2005
    #3
  4. Tom

    Phil Guest

    I think you'll be fine either way, understand though that if you have all
    clients in one zone they will all have a FQDN of "clientname".nash.xyz.com
    even if they are located in Omaha. I might create seperate zones for
    orginzation as well as allowing future expansion to be built-in. For
    instance, if you decide your other sites grow as large as your nashville
    sites you may want to create sperate Active Directory domains for them, with
    these zones already inplace you will find migrating to that structure easier.

    Hope that helps.
     
    Phil, Nov 10, 2005
    #4
  5. Tom

    Tom Guest

    Thanks Phil. With the smaller sites, there are no plans for expansion. If
    we do need to expand in 4 or 5 years, hopefully creating new zones then
    won't be too difficult.

    Thanks,

    Tom
     
    Tom, Nov 10, 2005
    #5
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