How to repair DNS?

Discussion in 'Windows XP Networking' started by Xorn, Jun 21, 2009.

  1. Xorn

    Xorn Guest

    My Internet Connection is not working and I've diagnosed the problem is with
    DNS, but can't seem to figure out how to repair. I searched this newsgroup
    but did not see anything resembling my situation.

    I can connnect to anything via ip but not by domain name.
    Running Windows XP Pro with SP3.

    Network Diagnostics for Windows XP shows: DNS failure

    Confirmed this by successfully connecting two ways from a different computer
    on my network.
    ping www.yahoo.com
    ping 69.147.76.15

    But when I tried same test from problem computer
    ping www.yahoo.com failed
    ping 69.147.76.15 succeeded


    One exception is that I *can* successfully ping local device names:
    ping xp_pro_1 (host computer)
    ping dlinkserver (router)


    I've tried a number of "resets" but none have worked.
    Some stuff I've tried:
    ipconfig /flushdns
    ipconfig /registerdns
    netsh winsock reset
    netsh int ip reset

    Looking for a step by step guide on how to repair, or recommended software
    utility that can fix it.
    Any suggestions would be greatly appreciated!
     
    Xorn, Jun 21, 2009
    #1
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  2. Xorn

    GTS Guest

    Please post the output of ipconfig /all and information about the type of
    connection. Using DHCP or static address? Using a router? Direct to DSL
    modem? Cable modem? Other?
    --

    "Xorn" <> wrote in message
    news:...
    > My Internet Connection is not working and I've diagnosed the problem is
    > with
    > DNS, but can't seem to figure out how to repair. I searched this
    > newsgroup
    > but did not see anything resembling my situation.
    >
    > I can connnect to anything via ip but not by domain name.
    > Running Windows XP Pro with SP3.
    >
    > Network Diagnostics for Windows XP shows: DNS failure
    >
    > Confirmed this by successfully connecting two ways from a different
    > computer
    > on my network.
    > ping www.yahoo.com
    > ping 69.147.76.15
    >
    > But when I tried same test from problem computer
    > ping www.yahoo.com failed
    > ping 69.147.76.15 succeeded
    >
    >
    > One exception is that I *can* successfully ping local device names:
    > ping xp_pro_1 (host computer)
    > ping dlinkserver (router)
    >
    >
    > I've tried a number of "resets" but none have worked.
    > Some stuff I've tried:
    > ipconfig /flushdns
    > ipconfig /registerdns
    > netsh winsock reset
    > netsh int ip reset
    >
    > Looking for a step by step guide on how to repair, or recommended software
    > utility that can fix it.
    > Any suggestions would be greatly appreciated!
     
    GTS, Jun 21, 2009
    #2
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  3. =?Utf-8?B?WG9ybg==?= <> wrote in
    news::

    > My Internet Connection is not working and I've diagnosed the
    > problem is with DNS, but can't seem to figure out how to repair.
    > I searched this newsgroup but did not see anything resembling my
    > situation.
    >
    > I can connnect to anything via ip but not by domain name.
    > Running Windows XP Pro with SP3.
    >
    > Network Diagnostics for Windows XP shows: DNS failure
    >
    > Confirmed this by successfully connecting two ways from a
    > different computer on my network.
    > ping www.yahoo.com
    > ping 69.147.76.15
    >
    > But when I tried same test from problem computer
    > ping www.yahoo.com failed
    > ping 69.147.76.15 succeeded
    >
    >
    > One exception is that I *can* successfully ping local device
    > names: ping xp_pro_1 (host computer)
    > ping dlinkserver (router)
    >
    >
    > I've tried a number of "resets" but none have worked.
    > Some stuff I've tried:
    > ipconfig /flushdns
    > ipconfig /registerdns
    > netsh winsock reset
    > netsh int ip reset
    >
    > Looking for a step by step guide on how to repair, or recommended
    > software utility that can fix it.
    > Any suggestions would be greatly appreciated!


    A lot depends on how you connect to the internet but assuming a
    standard DHCP-configured connection, check the following:

    Control Panel -> Network Connections ->
    Right-Click on your connection -> Properties
    Scroll down in middle window, single click on TCP/IP (not checkbox)
    -> Properties
    Verify that "Obtain DNS Server Address Automatically" is checked.

    As "GTS" stated, posting the output of an "ipconfig /all" command
    would help us.

    HTH,
    John
     
    John Wunderlich, Jun 21, 2009
    #3
  4. Xorn

    Xorn Guest


    > Please post the output of ipconfig /all and information about the type of
    > connection. Using DHCP or static address? Using a router? Direct to DSL
    > modem? Cable modem? Other?
    > --


    Using standard DHCP. Using a D-Link router and DSL modem.
    Other computers on the network connect with no issues.

    >ipconfig /all


    Windows IP Configuration

    Host Name . . . . . . . . . . . . : xp_pro_1
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Broadcom 440x 10/100 Integrated
    Con
    roller
    Physical Address. . . . . . . . . : 00-0B-DB-0E-8B-EB
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 192.168.0.191
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.0.1
    DHCP Server . . . . . . . . . . . : 192.168.0.1
    DNS Servers . . . . . . . . . . . : 192.168.0.1
    Lease Obtained. . . . . . . . . . : Sunday, June 21, 2009 10:05:45 AM
    Lease Expires . . . . . . . . . . : Monday, June 22, 2009 10:05:45 AM

    Ethernet adapter Wireless Network Connection 2:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek RTL8185 54M Wireless LAN
    Net
    work Adapter
    Physical Address. . . . . . . . . : 00-14-D1-34-21-44
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 192.168.0.189
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.0.1
    DHCP Server . . . . . . . . . . . : 192.168.0.1
    DNS Servers . . . . . . . . . . . : 192.168.0.1
    Lease Obtained. . . . . . . . . . : Sunday, June 21, 2009 10:17:58 AM
    Lease Expires . . . . . . . . . . : Monday, June 22, 2009 10:17:58 AM




    > "Xorn" <> wrote in message
    > news:...
    > > My Internet Connection is not working and I've diagnosed the problem is
    > > with
    > > DNS, but can't seem to figure out how to repair. I searched this
    > > newsgroup
    > > but did not see anything resembling my situation.
    > >
    > > I can connnect to anything via ip but not by domain name.
    > > Running Windows XP Pro with SP3.
    > >
    > > Network Diagnostics for Windows XP shows: DNS failure
    > >
    > > Confirmed this by successfully connecting two ways from a different
    > > computer
    > > on my network.
    > > ping www.yahoo.com
    > > ping 69.147.76.15
    > >
    > > But when I tried same test from problem computer
    > > ping www.yahoo.com failed
    > > ping 69.147.76.15 succeeded
    > >
    > >
    > > One exception is that I *can* successfully ping local device names:
    > > ping xp_pro_1 (host computer)
    > > ping dlinkserver (router)
    > >
    > >
    > > I've tried a number of "resets" but none have worked.
    > > Some stuff I've tried:
    > > ipconfig /flushdns
    > > ipconfig /registerdns
    > > netsh winsock reset
    > > netsh int ip reset
    > >
    > > Looking for a step by step guide on how to repair, or recommended software
    > > utility that can fix it.
    > > Any suggestions would be greatly appreciated!

    >
    >
     
    Xorn, Jun 21, 2009
    #4
  5. Xorn

    Xorn Guest

    Confirmed that both
    "Obtain DNS Server Address Automatically" is checked
    and
    "Obtain an IP address Automatically" is checked


    >ipconfig /all


    Windows IP Configuration

    Host Name . . . . . . . . . . . . : xp_pro_1
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Broadcom 440x 10/100 Integrated
    Con
    roller
    Physical Address. . . . . . . . . : 00-0B-DB-0E-8B-EB
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 192.168.0.191
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.0.1
    DHCP Server . . . . . . . . . . . : 192.168.0.1
    DNS Servers . . . . . . . . . . . : 192.168.0.1
    Lease Obtained. . . . . . . . . . : Sunday, June 21, 2009 10:05:45 AM
    Lease Expires . . . . . . . . . . : Monday, June 22, 2009 10:05:45 AM

    Ethernet adapter Wireless Network Connection 2:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek RTL8185 54M Wireless LAN
    Net
    work Adapter
    Physical Address. . . . . . . . . : 00-14-D1-34-21-44
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 192.168.0.189
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.0.1
    DHCP Server . . . . . . . . . . . : 192.168.0.1
    DNS Servers . . . . . . . . . . . : 192.168.0.1
    Lease Obtained. . . . . . . . . . : Sunday, June 21, 2009 10:17:58 AM
    Lease Expires . . . . . . . . . . : Monday, June 22, 2009 10:17:58 AM
    "John Wunderlich" wrote:

    > =?Utf-8?B?WG9ybg==?= <> wrote in
    > news::
    >
    > > My Internet Connection is not working and I've diagnosed the
    > > problem is with DNS, but can't seem to figure out how to repair.
    > > I searched this newsgroup but did not see anything resembling my
    > > situation.
    > >
    > > I can connnect to anything via ip but not by domain name.
    > > Running Windows XP Pro with SP3.
    > >
    > > Network Diagnostics for Windows XP shows: DNS failure
    > >
    > > Confirmed this by successfully connecting two ways from a
    > > different computer on my network.
    > > ping www.yahoo.com
    > > ping 69.147.76.15
    > >
    > > But when I tried same test from problem computer
    > > ping www.yahoo.com failed
    > > ping 69.147.76.15 succeeded
    > >
    > >
    > > One exception is that I *can* successfully ping local device
    > > names: ping xp_pro_1 (host computer)
    > > ping dlinkserver (router)
    > >
    > >
    > > I've tried a number of "resets" but none have worked.
    > > Some stuff I've tried:
    > > ipconfig /flushdns
    > > ipconfig /registerdns
    > > netsh winsock reset
    > > netsh int ip reset
    > >
    > > Looking for a step by step guide on how to repair, or recommended
    > > software utility that can fix it.
    > > Any suggestions would be greatly appreciated!

    >
    > A lot depends on how you connect to the internet but assuming a
    > standard DHCP-configured connection, check the following:
    >
    > Control Panel -> Network Connections ->
    > Right-Click on your connection -> Properties
    > Scroll down in middle window, single click on TCP/IP (not checkbox)
    > -> Properties
    > Verify that "Obtain DNS Server Address Automatically" is checked.
    >
    > As "GTS" stated, posting the output of an "ipconfig /all" command
    > would help us.
    >
    > HTH,
    > John
    >
     
    Xorn, Jun 21, 2009
    #5
  6. Xorn

    GTS Guest

    The ipconfig looks normal. The last few times I've seen a similar problem
    it involved malware. Have you investigated that? I would particularly
    recommend running MalwareBytes and SuperAntispyware. Also, are you using
    any 3rd party firewall or security suite? You might also boot to safe mode
    with networking and see if the same problem is present
    --

    "Xorn" <> wrote in message
    news:D...
    >
    >
    >> Please post the output of ipconfig /all and information about the type of
    >> connection. Using DHCP or static address? Using a router? Direct to
    >> DSL
    >> modem? Cable modem? Other?
    >> --

    >
    > Using standard DHCP. Using a D-Link router and DSL modem.
    > Other computers on the network connect with no issues.
    >
    >>ipconfig /all

    >
    > Windows IP Configuration
    >
    > Host Name . . . . . . . . . . . . : xp_pro_1
    > Primary Dns Suffix . . . . . . . :
    > Node Type . . . . . . . . . . . . : Hybrid
    > IP Routing Enabled. . . . . . . . : No
    > WINS Proxy Enabled. . . . . . . . : No
    >
    > Ethernet adapter Local Area Connection:
    >
    > Connection-specific DNS Suffix . :
    > Description . . . . . . . . . . . : Broadcom 440x 10/100 Integrated
    > Con
    > roller
    > Physical Address. . . . . . . . . : 00-0B-DB-0E-8B-EB
    > Dhcp Enabled. . . . . . . . . . . : Yes
    > Autoconfiguration Enabled . . . . : Yes
    > IP Address. . . . . . . . . . . . : 192.168.0.191
    > Subnet Mask . . . . . . . . . . . : 255.255.255.0
    > Default Gateway . . . . . . . . . : 192.168.0.1
    > DHCP Server . . . . . . . . . . . : 192.168.0.1
    > DNS Servers . . . . . . . . . . . : 192.168.0.1
    > Lease Obtained. . . . . . . . . . : Sunday, June 21, 2009 10:05:45
    > AM
    > Lease Expires . . . . . . . . . . : Monday, June 22, 2009 10:05:45
    > AM
    >
    > Ethernet adapter Wireless Network Connection 2:
    >
    > Connection-specific DNS Suffix . :
    > Description . . . . . . . . . . . : Realtek RTL8185 54M Wireless
    > LAN
    > Net
    > work Adapter
    > Physical Address. . . . . . . . . : 00-14-D1-34-21-44
    > Dhcp Enabled. . . . . . . . . . . : Yes
    > Autoconfiguration Enabled . . . . : Yes
    > IP Address. . . . . . . . . . . . : 192.168.0.189
    > Subnet Mask . . . . . . . . . . . : 255.255.255.0
    > Default Gateway . . . . . . . . . : 192.168.0.1
    > DHCP Server . . . . . . . . . . . : 192.168.0.1
    > DNS Servers . . . . . . . . . . . : 192.168.0.1
    > Lease Obtained. . . . . . . . . . : Sunday, June 21, 2009 10:17:58
    > AM
    > Lease Expires . . . . . . . . . . : Monday, June 22, 2009 10:17:58
    > AM
    >
    >
    >
    >
    >> "Xorn" <> wrote in message
    >> news:...
    >> > My Internet Connection is not working and I've diagnosed the problem is
    >> > with
    >> > DNS, but can't seem to figure out how to repair. I searched this
    >> > newsgroup
    >> > but did not see anything resembling my situation.
    >> >
    >> > I can connnect to anything via ip but not by domain name.
    >> > Running Windows XP Pro with SP3.
    >> >
    >> > Network Diagnostics for Windows XP shows: DNS failure
    >> >
    >> > Confirmed this by successfully connecting two ways from a different
    >> > computer
    >> > on my network.
    >> > ping www.yahoo.com
    >> > ping 69.147.76.15
    >> >
    >> > But when I tried same test from problem computer
    >> > ping www.yahoo.com failed
    >> > ping 69.147.76.15 succeeded
    >> >
    >> >
    >> > One exception is that I *can* successfully ping local device names:
    >> > ping xp_pro_1 (host computer)
    >> > ping dlinkserver (router)
    >> >
    >> >
    >> > I've tried a number of "resets" but none have worked.
    >> > Some stuff I've tried:
    >> > ipconfig /flushdns
    >> > ipconfig /registerdns
    >> > netsh winsock reset
    >> > netsh int ip reset
    >> >
    >> > Looking for a step by step guide on how to repair, or recommended
    >> > software
    >> > utility that can fix it.
    >> > Any suggestions would be greatly appreciated!

    >>
    >>
     
    GTS, Jun 21, 2009
    #6
  7. Xorn

    Jim Guest

    "Xorn" <> wrote in message
    news:...
    > Confirmed that both
    > "Obtain DNS Server Address Automatically" is checked
    > and
    > "Obtain an IP address Automatically" is checked
    >
    >
    >>ipconfig /all

    >
    > Windows IP Configuration
    >
    > Host Name . . . . . . . . . . . . : xp_pro_1
    > Primary Dns Suffix . . . . . . . :
    > Node Type . . . . . . . . . . . . : Hybrid
    > IP Routing Enabled. . . . . . . . : No
    > WINS Proxy Enabled. . . . . . . . : No
    >
    > Ethernet adapter Local Area Connection:
    >
    > Connection-specific DNS Suffix . :
    > Description . . . . . . . . . . . : Broadcom 440x 10/100 Integrated
    > Con
    > roller
    > Physical Address. . . . . . . . . : 00-0B-DB-0E-8B-EB
    > Dhcp Enabled. . . . . . . . . . . : Yes
    > Autoconfiguration Enabled . . . . : Yes
    > IP Address. . . . . . . . . . . . : 192.168.0.191
    > Subnet Mask . . . . . . . . . . . : 255.255.255.0
    > Default Gateway . . . . . . . . . : 192.168.0.1
    > DHCP Server . . . . . . . . . . . : 192.168.0.1
    > DNS Servers . . . . . . . . . . . : 192.168.0.1
    > Lease Obtained. . . . . . . . . . : Sunday, June 21, 2009 10:05:45
    > AM
    > Lease Expires . . . . . . . . . . : Monday, June 22, 2009 10:05:45
    > AM
    >
    > Ethernet adapter Wireless Network Connection 2:
    >
    > Connection-specific DNS Suffix . :
    > Description . . . . . . . . . . . : Realtek RTL8185 54M Wireless
    > LAN
    > Net
    > work Adapter
    > Physical Address. . . . . . . . . : 00-14-D1-34-21-44
    > Dhcp Enabled. . . . . . . . . . . : Yes
    > Autoconfiguration Enabled . . . . : Yes
    > IP Address. . . . . . . . . . . . : 192.168.0.189
    > Subnet Mask . . . . . . . . . . . : 255.255.255.0
    > Default Gateway . . . . . . . . . : 192.168.0.1
    > DHCP Server . . . . . . . . . . . : 192.168.0.1
    > DNS Servers . . . . . . . . . . . : 192.168.0.1
    > Lease Obtained. . . . . . . . . . : Sunday, June 21, 2009 10:17:58
    > AM
    > Lease Expires . . . . . . . . . . : Monday, June 22, 2009 10:17:58
    > AM
    >

    The DNS Server seems to me to be wrong. It looks like that is the router
    address, but I was not aware that routers do DNS serving.

    My setup looks almost like the OP's, but the difference is that the DNS
    Servers are way out there in ip land (well actually, they belong to the
    ISP). If I remember correctly, I defined the DNS servers in the router.

    Jim
     
    Jim, Jun 21, 2009
    #7
  8. =?Utf-8?B?WG9ybg==?= <> wrote in
    news::

    > Confirmed that both
    > "Obtain DNS Server Address Automatically" is checked
    > and
    > "Obtain an IP address Automatically" is checked
    >
    >
    >> ipconfig /all

    >
    > Windows IP Configuration
    >
    >


    [snip]

    IP config looks OK.

    My next guess at this point would be a Firewall blocking the DNS port
    (Port 53). If you've recently installed or uninstalled a Firewall
    program on your computer (or repaired malware), this would be suspect.
    As a shot-in-the-dark, sometimes one of the following freebie programs
    will repair problems like this.

    LSPFix
    <http://www.cexx.org/lspfix.htm>
    Winsock XP Fix
    <http://www.snapfiles.com/get/winsockxpfix.html>

    HTH,
    John
     
    John Wunderlich, Jun 21, 2009
    #8
  9. Xorn

    ANONYMOUS Guest

    Did you try this:

    netsh interface ip delete arpcache

    I assume you have read this:

    http://technet.microsoft.com/en-us/library/bb490943.aspx


    You need to do this from cmd prompt so that you can see the words OK on the
    screen

    "Xorn" wrote:

    > My Internet Connection is not working and I've diagnosed the problem is with
    > DNS, but can't seem to figure out how to repair. I searched this newsgroup
    > but did not see anything resembling my situation.
    >
    > I can connnect to anything via ip but not by domain name.
    > Running Windows XP Pro with SP3.
    >
    > Network Diagnostics for Windows XP shows: DNS failure
    >
    > Confirmed this by successfully connecting two ways from a different computer
    > on my network.
    > ping www.yahoo.com
    > ping 69.147.76.15
    >
    > But when I tried same test from problem computer
    > ping www.yahoo.com failed
    > ping 69.147.76.15 succeeded
    >
    >
    > One exception is that I *can* successfully ping local device names:
    > ping xp_pro_1 (host computer)
    > ping dlinkserver (router)
    >
    >
    > I've tried a number of "resets" but none have worked.
    > Some stuff I've tried:
    > ipconfig /flushdns
    > ipconfig /registerdns
    > netsh winsock reset
    > netsh int ip reset
    >
    > Looking for a step by step guide on how to repair, or recommended software
    > utility that can fix it.
    > Any suggestions would be greatly appreciated!
     
    ANONYMOUS, Jun 21, 2009
    #9
  10. Xorn

    Xorn Guest

    Thanks for all the suggestions, but I still have the same issue.
    Any more ideas?

    I installed and ran both Malwarebytes Anti-Malware and SUPERAntispyware.
    These programs identified various infected files and objects, which I
    removed, but that didn't fix things.

    Ran "netsh interface ip delete arpcache" as well, but no improvement.

    I don't believe problem is with the DNS server ip address as someone
    suggested, because I have another computer that connects successfully to
    internet using same DNS Servers ip:

    Ethernet adapter Wireless Network Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) PRO/Wireless 3945ABG
    Networ
    k Connection
    Physical Address. . . . . . . . . : 00-1C-BF-3D-53-68
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : No
    IP Address. . . . . . . . . . . . : 192.168.0.149
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.0.1
    DHCP Server . . . . . . . . . . . : 192.168.0.1
    DNS Servers . . . . . . . . . . . : 192.168.0.1
    Lease Obtained. . . . . . . . . . : Sunday, June 21, 2009 1:53:19 PM
    Lease Expires . . . . . . . . . . : Monday, June 22, 2009 1:53:19 PM



    "ANONYMOUS" wrote:

    >
    > Did you try this:
    >
    > netsh interface ip delete arpcache
    >
    > I assume you have read this:
    >
    > http://technet.microsoft.com/en-us/library/bb490943.aspx
    >
    >
    > You need to do this from cmd prompt so that you can see the words OK on the
    > screen
    >
    > "Xorn" wrote:
    >
    > > My Internet Connection is not working and I've diagnosed the problem is with
    > > DNS, but can't seem to figure out how to repair. I searched this newsgroup
    > > but did not see anything resembling my situation.
    > >
    > > I can connnect to anything via ip but not by domain name.
    > > Running Windows XP Pro with SP3.
    > >
    > > Network Diagnostics for Windows XP shows: DNS failure
    > >
    > > Confirmed this by successfully connecting two ways from a different computer
    > > on my network.
    > > ping www.yahoo.com
    > > ping 69.147.76.15
    > >
    > > But when I tried same test from problem computer
    > > ping www.yahoo.com failed
    > > ping 69.147.76.15 succeeded
    > >
    > >
    > > One exception is that I *can* successfully ping local device names:
    > > ping xp_pro_1 (host computer)
    > > ping dlinkserver (router)
    > >
    > >
    > > I've tried a number of "resets" but none have worked.
    > > Some stuff I've tried:
    > > ipconfig /flushdns
    > > ipconfig /registerdns
    > > netsh winsock reset
    > > netsh int ip reset
    > >
    > > Looking for a step by step guide on how to repair, or recommended software
    > > utility that can fix it.
    > > Any suggestions would be greatly appreciated!
     
    Xorn, Jun 21, 2009
    #10
  11. Xorn

    Xorn Guest

    "GbH" wrote:

    >
    > "Xorn" <> wrote in message
    > news:D...
    > > Thanks for all the suggestions, but I still have the same issue.
    > > Any more ideas?
    > >
    > > I installed and ran both Malwarebytes Anti-Malware and
    > > SUPERAntispyware.
    > > These programs identified various infected files and objects, which I
    > > removed, but that didn't fix things.
    > >
    > > Ran "netsh interface ip delete arpcache" as well, but no improvement.
    > >
    > > I don't believe problem is with the DNS server ip address as someone
    > > suggested, because I have another computer that connects successfully
    > > to
    > > internet using same DNS Servers ip:
    > >
    > > Ethernet adapter Wireless Network Connection:
    > >
    > > Connection-specific DNS Suffix . :
    > > Description . . . . . . . . . . . : Intel(R) PRO/Wireless
    > > 3945ABG
    > > Networ
    > > k Connection
    > > Physical Address. . . . . . . . . : 00-1C-BF-3D-53-68
    > > Dhcp Enabled. . . . . . . . . . . : Yes
    > > Autoconfiguration Enabled . . . . : No
    > > IP Address. . . . . . . . . . . . : 192.168.0.149
    > > Subnet Mask . . . . . . . . . . . : 255.255.255.0
    > > Default Gateway . . . . . . . . . : 192.168.0.1
    > > DHCP Server . . . . . . . . . . . : 192.168.0.1
    > > DNS Servers . . . . . . . . . . . : 192.168.0.1
    > > Lease Obtained. . . . . . . . . . : Sunday, June 21, 2009
    > > 1:53:19 PM
    > > Lease Expires . . . . . . . . . . : Monday, June 22, 2009
    > > 1:53:19 PM

    >
    > Now is the Router at IP = 192.168.0.1 configured to get IP/DNS
    > automatically?


    Yes
     
    Xorn, Jun 22, 2009
    #11
  12. Xorn

    Anteaus Guest

    Met this one before. I notice that your router is acting as a DNS relay:

    DHCP Server . . . . . . . . . . . : 192.168.0.1
    DNS Servers . . . . . . . . . . . : 192.168.0.1 <-

    This is normally quite OK, BUT some models of router (especially D-Link
    DSL504 with early firmware) will not relay DNS correctly to some ISP setups.
    I would suggest you try using a DNS server at your ISP directly, bypassing
    the router's DNS relay. If this turns out to cure the problem, a firmware
    update may fix the router's DNS relayer. Or, you can just use manually-set
    DNS on the computers.

    The reason this started suddenly is likely because the ISP bought new DNS
    equipment, which caused the router's bug to manifest itself. The problem,
    when it occurs, is intermittent and hard to track-down.

    Also, it's worthwhile to turn off the dnscache service. This is mainly of
    help to dialup users, and can cause problems on BB.

    net stop dnscache (or change setting in services.msc for permanent turn-off)

    "Xorn" wrote:

    > My Internet Connection is not working and I've diagnosed the problem is with
    > DNS, but can't seem to figure out how to repair. I searched this newsgroup
    > but did not see anything resembling my situation.
    >
    > I can connnect to anything via ip but not by domain name.
    > Running Windows XP Pro with SP3.
    >
    > Network Diagnostics for Windows XP shows: DNS failure
    >
    > Confirmed this by successfully connecting two ways from a different computer
    > on my network.
    > ping www.yahoo.com
    > ping 69.147.76.15
    >
    > But when I tried same test from problem computer
    > ping www.yahoo.com failed
    > ping 69.147.76.15 succeeded
    >
    >
    > One exception is that I *can* successfully ping local device names:
    > ping xp_pro_1 (host computer)
    > ping dlinkserver (router)
    >
    >
    > I've tried a number of "resets" but none have worked.
    > Some stuff I've tried:
    > ipconfig /flushdns
    > ipconfig /registerdns
    > netsh winsock reset
    > netsh int ip reset
    >
    > Looking for a step by step guide on how to repair, or recommended software
    > utility that can fix it.
    > Any suggestions would be greatly appreciated!
     
    Anteaus, Jun 30, 2009
    #12
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