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Thread: DNS Issues

  1. #1
    Senior Member RECOiL™'s Avatar
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    DNS Issues

    Gentlemen;

    In my office we can view our intranet fine, at our other office the users can view the first page of the intranet, but everything else cant be displayed. However when they view the intranet through the ip address of the webserver, they see the intranet fine. I'm assuming this is a dns issue, as I cant ping the hostname from their location but can ping the ip address.

    Yesterday I had to reboot the dhcp server, so do you think i need to reboot the dns server as well now ?

  2. #2
    Administrator Moby-Dick's Avatar
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    Re: DNS Issues

    get them to clear browser caches first.

    are the subsequent pages on a different webserver ?
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  3. #3
    Senior Member RECOiL™'s Avatar
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    Re: DNS Issues

    browser cache has been clear and the pages are all on the same server (sharepoint)

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    Administrator Moby-Dick's Avatar
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    Re: DNS Issues

    test dns resolution with nslookup from a client.

    are your clients pointing to the right DNS server ?
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  5. #5
    Jay
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    Re: DNS Issues

    this is very odd. I would just reboot the DNS server to make sure.

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    Agent of the System ikonia's Avatar
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    Re: DNS Issues

    dhcp addressing has nothing to do with DNS.

    What the heck is going on with recoils sig ?? thats massive !

    does the other office use the same DNS servers as the ones you are using ?
    Can you test the dns servers directly ?
    It is Inevitable.....


  7. #7
    Jay
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    Re: DNS Issues

    I know... but is it not best to just give it a reboot before going any deeper?

    and yes, that sig is huge.

  8. #8
    Senior Member RECOiL™'s Avatar
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    Re: DNS Issues

    Yes the other offices use the same dns servers. I have scheduled a reboot of the dns server for 6pm tonight. Hopefully that will sort it out. Going to install some vpn software at home so i can check to see how things are going.

    My sig is what it is

  9. #9
    Jay
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    Re: DNS Issues

    well my sig was less than a quater the size of yours and I was asked to remove it.

    Let us know how it goes. I think a reboot is the first port of call for odd problems like this, after that we can go deeper.

  10. #10
    Senior Member RECOiL™'s Avatar
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    Re: DNS Issues

    i think its because the file size is small. Yes i will let you guys know how it goes.

  11. #11
    Agent of the System ikonia's Avatar
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    Re: DNS Issues

    a reboot should never be the first port of call.

    Finding out and understand what the problem is. You could have a serious problem thats being masked by reboots.
    It is Inevitable.....


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    Jay
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    Re: DNS Issues

    are you serious?

    you have serious problem if it keeps happening, if its a one off and a reboot gives users more uptime then a reboot it is. Solve the problems when the users do not need the server or at a pre defined date. I would never ponder of a problem if I had not already rebooted to see if it was a glitch or planned in a time to take the server off line and run tests.

    If the issue returns then all well and good I can plan in a time to solve it, if it does not then you have cut down the down time on the server.

  13. #13
    Administrator Moby-Dick's Avatar
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    Re: DNS Issues

    what a load of cobblers. Bouncing a box isn't troubleshooting. You also have to consider times when you can't just bounce a box for a minor issue. What if that DNS server was also the main file and print server ?

    Its like amputating a leg because you have an itchy foot.
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  14. #14
    Jay
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    Re: DNS Issues

    so you would ponder over a none working server rather than reboot and have it up and running again?

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    Re: DNS Issues

    To some extent yes. It takes skill to problem solve but anyone can restart a box.

    I'd go nutty if I found out my guys were bouncing boxes rather than fixing them.

    Obviously if the problem is impacting people working then that's a different matter but if I didn't have some sort of redundancy for the problematic system I'd implement some on a temporary basis so that when the original system started playing up people would automatically fail over to the other one.

  16. #16
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    Re: DNS Issues

    as burble said no single server failure should disable your system. Theres also a little bit of common sence that comes into play depending on the scale of the outtage, but in the OP's case I dont think a reboot is needed. Has the DNS server service been restarted ? I've still not seen any conformation of nslookup testing or that the clients are even looking at the right server.

    The problem with relying on rebooting to fix a problem is when it backfires on you. Either if the reboot doesn't solve it , or worse still when it actually creates extra problems.
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