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weird, can't get to certain websites

Discussion in 'Networking' started by DiGiTY, Nov 29, 2007.

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  1. DiGiTY

    DiGiTY Thread Starter

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    all of a sudden in the last 48 hours i've been unable to open newegg.com and walmart.com from any computer on my home network (Win, Mac & Linux behind a WRT54Gv6 + Time Warner/Road Runner cable modem). I can access all other websites just fine, just can't open these sites (that i know of so far)

    I'm able to access these sites if i dial up to the Internet via my Sprint phone or if I hop on a nearby open wireless network (which is also Time Warner/Road Runner), so there's something up with my setup

    any ideas what it could be?
     
  2. jdl

    jdl

    Joined:
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    Messages:
    587
    These sites may have been added somehow to your hosts file. There's a good tutorial on creating a hosts file editor here. Look for the names of the sites you can't access and delete them from the file.

    Please let us know if this works for you.
     
  3. JohnWill

    JohnWill Retired Moderator

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    Messages:
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    It could also be an ISP issue.

    Let's see this.

    Start, Run, CMD

    Type TRACERT newegg.com

    Post the results here.
     
  4. DiGiTY

    DiGiTY Thread Starter

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    Code:
    Unable to resolve target system name newegg.com.
    I get the same result for walmart.com.

    the hosts file was there and it didn't have any entires (except for 127.0.0.1/localhost of course). curious, i added an entry for newegg.com and walmart.com with their resolving IP addresses and like magic I was able to open their websites again. then I commented those same entires out and like voodoo I can't open them anymore

    - can't ping, trace route nor open web site in any browser on Windows XP & Mac OS X computers for these domains
    - CAN ping, trace route and open web site in any browser on Windows XP Mac OS X computers using their IP addresses

    My Linux computers can actually open the sites just fine (Ubuntu 7.10 & Xandros).

    I don't think it's an ISP issue. I can access these sites/domains fine when jumping on a nearby open wi-fi network who's ISP is aslo Time Warner/Road Runner. I just can't access these sites on my own home network (wireless & wired).

    Any other ideas?
     
  5. DiGiTY

    DiGiTY Thread Starter

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    343
    SOLVED

    so apparently when getting an dynamic IP from my router, I can open the sites just fine. so it appears the my router is pushing out the ISP's DNS IP addresses to DHCP-enabled computers correctly, but not pushing them out to computers with static IPs (which all my computers are).

    To resolve this whole mess I manually added the ISP's DNS servers to my Windows XP and Mac OS X network settings.

    The Linux computers were unaffected probably because they have their own internal DNS table.
     
  6. JohnWill

    JohnWill Retired Moderator

    Joined:
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    106,409
    I've had a number of cases where the ISP DNS servers took a dive and sites could not be resolved. After hours (or sometimes days), it magically corrects itself. I normally just stick a different DNS server in my configuration until they get their act together.

    This happened a lot with Comcast, so far with Verizon FiOS, I haven't had the issue.
     
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