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Thread: Please help with some DNS errors I am having

  1. #1
    Join Date
    Nov 2008
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    41

    Please help with some DNS errors I am having

    Hello,

    Please look here: http://www.intodns.com/satla-zone.co.il

    How can I fix these dns errors?

    Best Regards,

  2. #2
    Join Date
    May 2008
    Location
    The Netherlands
    Posts
    1,158
    As for the one error; it says how to fix it. Contact your ISP to add the reverse DNS record for your IP address.

    The 'TLD Parent Check' I don't think you can fix.

    'Different subnets' - this refers to the preferred setup of two or more geographical separated nameservers. This is recommended for in the case that one nameserver may be unavailable due to a failure; the other nameserver still makes sure your domain names are alive in the DNS. If you only use one physical server, and it gets down for a like half a day, your domains will be gone for a whole day. Also e-mails being sent towards your server will error back to the sender. If you have the second nameserver, the e-mail would try to resend for a long time untill your server is back up. So anyway its really a good idea to have a second nameserver on for example a little VPS.

    The other warning 'Different autonomous systems' is caused by the previouse one.

  3. #3
    Join Date
    Nov 2008
    Posts
    41
    Arieh,
    Thanks for your answer!

    I have secondary server I am using for backups and it can be also used as a nameserver.

    But unfortunately, I don't know how to configure it.

    Can you help?

  4. #4
    Join Date
    May 2008
    Location
    The Netherlands
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    Theres many ways to do this. DirectAdmin supports this by itself with the multi-server feature; however it requires DirectAdmin as well on the other server. Since that would be pricy for just backup/nameserver, there are other methods.

    You can take a look at this topic: http://www.directadmin.com/forum/showthread.php?t=24888

    The topic is initially about another bind installation; but the thread also discusses other methods. The one I'm using is referd to in this post: http://www.directadmin.com/forum/sho...4888&page=2#23

    It is powerdns with poweradmin. The tutorial linked in there may not be very clear; it requries some time looking into it all. Basically its setting up those powerdns/poweradmin, and configure the bind on DA machine to forward changes.

    One last thing; if records are removed in DA, they will still be on the powerdns, to remove them use this script: http://www.webhostingtalk.nl/technis...ml#post1201036

    This is as far as I can help.
    Last edited by Arieh; 04-09-2012 at 08:27 AM.

  5. #5
    Join Date
    Nov 2008
    Posts
    41
    I have 2 DirectAdmin servers, it's not the problem.
    I want to use multi-server setup.

    But still I can't understand what I have to do, on which server should I enable the option? Server A (Master) or Server B (Slave)?

    I want ns1.satla-zone.co.il to return my primary server ip
    and ns2.satla-zone.co.il my secondary server ip
    Last edited by duzap; 04-09-2012 at 07:49 AM.

  6. #6
    Join Date
    May 2008
    Location
    The Netherlands
    Posts
    1,158
    Take a look at this link http://help.directadmin.com/item.php?id=97

    As it says, you can configure both servers to back-up each other.

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