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  1. #1
    Join Date
    Aug 2004
    Posts
    333

    Question Some good tutorial about DNS, where?

    now I have 2 web servers and I have problem with my DNSs, when my 1. web server down I have also 2. web server down something is not good in my DNS setup, this is not good, when one of my servers down other servers must work normal!

    Now I have 2 web servers and I have:
    1. server:
    ns1.mydomain.com
    ns2.mydomain.com

    2. server:
    ns3.mydomain.com
    ns4.mydomain.com

    - both of my servers use same domain for DNSs!

    This is problem now when I have only 2 web servers what will be when I buy more servers I must fix this now!

    Somebody know some pages where I can find good tutorial about this problem, about DNSs and DNS solutions or somebody can write here about that?

    On my servers I use cPanel!

    Thanks.

  2. #2
    You can try this:

    1. server:
    ns1.mydomain.com ---> Server 1 's IP
    ns2.mydomain.com ---> server 2 's IP

    2. server:
    ns3.mydomain.com ---> server 2 's IP
    ns4.mydomain.com ---> Server 1 's IP
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  3. #3
    Join Date
    Mar 2004
    Location
    Singapore
    Posts
    6,984
    The DNS for your main domain I think you need to put

    ns1, ns2, ns3, ns4.domain.com so that if one server is down the domain.com can still be propagated and the other server is ok. Correct me if I am wrong, it is more of guess work when I first tried.

  4. #4
    Join Date
    Aug 2004
    Posts
    333
    ksstudio, I know for that but I think that is good solution for 2 servers but what if I have 5 servers or more...and if I want for all servers :
    ns1.mydomain.com
    ns2.mydomain.com

    somebody know solution for that?

    boonchuan, good idea, I`ll test it Thanks.

    Somebody here use cPanel Dns Clustering??? What you think about that?

  5. #5
    Join Date
    Aug 2004
    Posts
    333
    boonchuan, if I add ns3 and ns4 for main domain but that don`t look good when I test it on checkdns.net:
    DNS server ns3.mydomain.com[IP] is alive, but not authoritative for domain 'mydomain.com' and didn't return SOA

    After that error I add dns entry for this domain on server 2 but after that I have some error about ZONE VERSION on server 1 and server 2!
    What now?

    Thanks.

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