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DNSONLY - what's the point?

Discussion in 'Bind / DNS / Nameserver Issues' started by hartzcs, Jun 29, 2007.

  1. hartzcs

    hartzcs Member

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    Could someone tell me what the point is to use cPanel DNSonly? How is it different or any better than using a secondary DNS service? I might be missing something here, that's why I'm asking.

    Thanks
     
  2. hostmedic

    hostmedic Well-Known Member

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    why dnsonly

    cPanel DNS ONLY is a free product that allows you to run a DNS server which will be automatically updated by any servers that you link to it running the cPanel Server Suite.

    Using DNS Clustering in WebHost Manager, you can create a cluster between your standalone name servers and any server running the cPanel and WHM. This means that any DNS changes made on your cPanel server will be sent to your standalone DNS server(s). You will no longer have to use local name servers with cPanel and WHM.

    So why do this...

    A good example is as follows

    Earlier today we lost a disk array on our server. - if that server was servicing as our nameserver
    (even if just 1 of them )

    ie - ns --- then even if ns2 ns3 and ns4 were online - 1 out of every 4 dns requests would potentially fail.

    I'm not sure about you - but a 25% loss is kinda poor ;)


    the magic of the dnsonly product is this allows for the entry of any site into cpanel to be written to another dns server - mainly the actual dns server vs the server hosting your sites...

    We have about 45 or so servers in the datacenter - and then have 3 others outside of our datacenter - each of those other 3 run dnsonly

    This helps ensure DNS queries - as well as the uptime of our sites - email etc...

    While you could do this manually - or via an outside service - you could do like we have and partner w/ a few other companies doing colo and barter space.

    I hope that helps cpanel dnsonly is free - and synchronizes in real time - you dont have to set up anything else ...
     
  3. hostmedic

    hostmedic Well-Known Member

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    btw welcome

    btw - welcome to the forums - noticed your posting are pretty low - guess you just arrived.

    Hoping we can all help you - and in time - you us :)
     
  4. hartzcs

    hartzcs Member

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    Thanks, been here a couple years but don't visit a lot. Usually when things blow up, which thankfully isn't too often.
     
  5. expedio

    expedio Active Member

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    DNSOnly is the free alternative to DNS clustering and setting up nameservers.

    A sample would be if you have 6 hosting servers and 2 DNS servers, you can use DNSOnly for the nameservers to cut the licensing costs and yet have cpanel DNS cluster functions.
     
  6. cPanelDavidG

    cPanelDavidG Technical Product Specialist

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    Actually, you need DNS-Only to perform DNS Clustering in a cPanel/WHM environment (at least in the way we officially recommend doing DNS Clustering).

    Though if I understand you correctly, you mean that DNSOnly is the free alternative to acquiring additional cPanel/WHM licensing solely to deal with DNS queries or attempting to cluster using only other cPanel/WHM servers.

    At this time we recommend that you use DNS-Only machines to handle DNS Clustering rather than trying to do some sort of round-robin setup or DNS clustering solely with cPanel/WHM machines.
     
    #6 cPanelDavidG, Jul 5, 2007
    Last edited: Jul 5, 2007
  7. hartzcs

    hartzcs Member

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    Has anyone been able to get DNSONLY installed lately? I've tried it on 3 machines with 3 different versions of redhat or redhat based linix and it never finishes. I even tried an older version of CentOS 4.3 with the same results. It scrolls the same set of periods endlessly for days before I give up and kill it off.
     
  8. cPanelDavidG

    cPanelDavidG Technical Product Specialist

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    If you're having a hard time installing cPanel DNS Only, then I'd recommend submitting a support ticket with us.
     
  9. maysoft

    maysoft Well-Known Member

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    I did finally submit a ticket several days ago, but got no reply...
     
  10. cPanelDavidG

    cPanelDavidG Technical Product Specialist

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    What is the ticket ID number?
     
  11. maysoft

    maysoft Well-Known Member

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    (message removed)
    I have sent you a PM.

    Thanks

    Dmitry
     
    #11 maysoft, Aug 2, 2007
    Last edited: Aug 2, 2007
  12. nuhost

    nuhost Registered

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    Was there a fix to this cos I am having the same problem :(

    Thanks a lot,

    Chris.
     
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