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Ping request could not find host!

Discussion in 'Networking' started by Zerkoto, Jan 22, 2013.

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  1. Zerkoto

    Zerkoto Thread Starter

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    Hello,
    I have the following problem on my computer:
    I have a wierd trouble with the pinging of hosts by name. Every time i try to ping them by name, the result on the console is "Ping request could not find host [host name]....", though i can still ping by IP.
    If anyone knows a way to fix it and is willing to help me ... PLEASE answer this thread.
    I really tried almost everything possible - from uninstalling antivirus system, turning firewall off and other things which proved to be useless. (I am using Windows 7)
    I am really desperate at the moment. :(:(
    Thanks in advance.
     
  2. TerryNet

    TerryNet Moderator

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    Terry
    Are these hosts on the internet, on the LAN, or both?

    If on the LAN are any of the hosts you are trying to ping running Windows?
     
  3. Zerkoto

    Zerkoto Thread Starter

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    They are not LAN, they are on the internet - different sites (i could give you them but it is not important information, because my problem is global - i can't ping ANY site by name).
     
  4. TerryNet

    TerryNet Moderator

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    Open a (black) Command Prompt window:
    Hold the Windows logo key and press r; in the Run box type cmd and click on OK.

    Type the following commands:

    IPCONFIG /ALL

    [Note that there is no space between the slash and ALL.]

    ping 8.8.4.4

    ping yahoo.com


    Right click in the command window and choose Select All, then hit Enter.
    Paste the results in a message here.

    If necessary use a text file and removable media to copy the results to a computer with internet access.
     
  5. Zerkoto

    Zerkoto Thread Starter

    Joined:
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    Microsoft Windows [Version 6.1.7600]
    Copyright (c) 2009 Microsoft Corporation. All rights reserved.

    C:\Windows\system32>IPCONFIG /ALL

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : user-PC
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : skknet.net

    Ethernet adapter Local Area Connection 2:

    Connection-specific DNS Suffix . : skknet.net
    Description . . . . . . . . . . . : Realtek RTL8139/810x Family Fast Ethernet
    NIC
    Physical Address. . . . . . . . . : 00-40-F4-B4-D7-69
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::74f0:7a5a:6a57:ca94%13(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.102(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : 23 януари 2013 г. 17:12:31 ч.
    Lease Expires . . . . . . . . . . : 24 януари 2013 г. 17:12:31 ч.
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 335560948
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-13-55-EF-E7-90-E6-BA-18-8F-8B

    DNS Servers . . . . . . . . . . . : 91.134.76.1
    85.11.160.15
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Ethernet adapter Local Area Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
    Physical Address. . . . . . . . . : 90-E6-BA-18-8F-8B
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Teredo Tunneling Pseudo-Interface:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter 6TO4 Adapter:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft 6to4 Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.skknet.net:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : skknet.net
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    C:\Windows\system32>ping 8.8.4.4

    Pinging 8.8.4.4 with 32 bytes of data:
    Reply from 8.8.4.4: bytes=32 time=31ms TTL=47
    Reply from 8.8.4.4: bytes=32 time=31ms TTL=47
    Reply from 8.8.4.4: bytes=32 time=45ms TTL=47
    Reply from 8.8.4.4: bytes=32 time=38ms TTL=47

    Ping statistics for 8.8.4.4:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 31ms, Maximum = 45ms, Average = 36ms

    C:\Windows\system32>ping yahoo.com
    Ping request could not find host yahoo.com. Please check the name and try again.


    C:\Windows\system32>


    ///// As you can see - i can ping by IP but not by name. Maybe it is some kind of configuration but i don't know what to do :/.
     
  6. TerryNet

    TerryNet Moderator

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    Thanks. Just wanted to see for myself and make sure I was understanding correctly.

    Try a free Public DNS server.
     
  7. dlsayremn

    dlsayremn

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    Might try one of these as I had time to do a quick check for Sophia Cable Company DNS Servers got this.
    http://dawhois.com/site/kabelnatv.net.html
    DNS servers listed as -

    NS1.SKKNET.NET 85.11.160.81
    NS2.SKKNET.NET 85.11.160.82
    NS3.SKKNET.NET 85.11.160.83
    NS4.SKKNET.NET 85.11.160.84
     
  8. Zerkoto

    Zerkoto Thread Starter

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    Tried Google ... still doesn't work :X:X :(:(:(
    The Bulgarian one ain't working again.
    P.S: Either i am doing something wrong (though i am pretty sure i do it right - following the steps and changing some stuff in the TCP IPv4) or i am just totally bugged :/.
     
  9. TerryNet

    TerryNet Moderator

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    Make sure the following services are Started (Control Panel - Administrative Tools - Services).

    DNS Client
    Network Location Awareness
    Remote Procedure Call (RPC)
     
  10. Couriant

    Couriant Trusted Advisor

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    What router do you have?

    Also just to confirm go to the Command Prompt and do this:

    nslookup
    server 8.8.8.8
    google.com


    If you get a non-authorative response then you may have not done the GoogleDNS correctly.
     
  11. Zerkoto

    Zerkoto Thread Starter

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    You may be right - about that i am not doing the GoogleDNS correctly because at step 2 and 3 my nslooklookup stops working and gives an error.

    C:\Windows\system32>nslookup -debug www.google.com. 8.8.8.8
    socket (dg) failed: Result too large
    Server: UnKnown
    Address: 8.8.8.8

    socket (dg) failed: Result too large
    socket (dg) failed: Result too large
    *** UnKnown can't find www.google.com.: No response from server

    C:\Windows\system32>nslookup www.google.com. 4.2.2.1
    Server: UnKnown
    Address: 4.2.2.1

    *** UnKnown can't find www.google.com.: No response from server
    Maybe that's the problem :/ ? What do you think?
     
  12. Couriant

    Couriant Trusted Advisor

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    You are not able to resolve by hostname, that's for sure. But can I ask did you type it with the dot at the end of .com? as in google.com.
     
  13. Couriant

    Couriant Trusted Advisor

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    Also what firewalls do you have?
     
  14. Zerkoto

    Zerkoto Thread Starter

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    Yes i typed it with "." (but even without the dot at the end it still gave me:

    C:\Windows\system32>nslookup www.google.com 4.2.2.1
    Server: UnKnown
    Address: 4.2.2.1

    *** UnKnown can't find www.google.com: No response from server)

    And about the firewall - i tried to turn it off but it didn't fix the problem so i guess it is not from the firewall. It must be something else. Hmmm i can give you additional info which may help the case - I can't download windows updates, too (can't turn on the auto update option, no matter what i do).
    And as an antivirus i use Avast.

    P.S: By the way, when i use the nslookup command on www.google.com 4.2.2.1 it crashes sending an error "nslookup has stopped working". Maybe here somewhere is hidden the problem .. .?
     
  15. Couriant

    Couriant Trusted Advisor

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    What firewall do you have?
     
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