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504 DNS Server not found while browsing websites

By DKRON
Oct 20, 2010
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  1. I have had alot of problems the past week with pages not loading and appearing with this error "504 DNS server not found", what does that error mean and has anyone else had a problem with that error?
     
  2. JMMD

    JMMD TechSpot Chancellor Posts: 1,177

    DNS server not found is unusual. I assume you're using your ISPs DNS servers? Are you using DHCP for both IP and DNS?
     
  3. DKRON

    DKRON TS Enthusiast Topic Starter Posts: 562   +11

    Yes and we are using DHCP for our 2 DNS servers, only been happening the past week
     
  4. eg0n

    eg0n TS Rookie

    ISP

    Any resolution yet?

    No?... Have you tried contacting your ISP? Maybe they're doing maintenance.

    Would love to know what you did to fix it.
     
  5. jobeard

    jobeard TS Ambassador Posts: 13,467   +327

    "504 Gateway Time Out" is but a variation of "DNS not found" (ie the timeout implies not found).

    First ping the ISP Gateway address; you can't get to anything without access to it.

    Then ping the DNS addresses one at a time (there should be two).

    It is not necessary to always use your ISP's DNS; I have roadrunner.com but use
    the OpenDNS (208.67.222.222) and Google's DNS (8.8.8.8) in that order.
     


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