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Help! DNS Lookup Failed Error 105


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knclark04 knclark04 is offline
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05-Mar-2013, 04:21 PM #1
Help! DNS Lookup Failed Error 105
Hi. I just had my comcast xfinity internet reconnected this passed Friday (turned it off to save money during the winter layoff months) now I cannot connect to the internet and am getting an error "Cannot display the webpage. DNS lookup failure. Error 105" I contacted Comcast & they said the modem is fine & that the problem is on my end. Can't figure out what could have changed in the 3 months that the service was off but that's a different matter. I have a Dell computer running Windows XP pro and cannot for the lifeof me figure out how to fix this...please help me!
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05-Mar-2013, 04:51 PM #2
Welcome

What modem do you have?
Do you have a router?
What web browser do you have?
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05-Mar-2013, 04:56 PM #3
The modem was supplied by comcast, its a Cisco. Is that what you are looking for??
I do not have a router, nothing wireless, using a PC
Xfinity uses Google Chrome, but I also have Internet Explorer as well. I've tried both & get the same error.
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05-Mar-2013, 05:49 PM #4
Yes, what is the model of that Cisco?

From the Start menu, click on Run. Type in cmd in the Run box and press enter.

Then type inconfig/all in the Command Prompt and then post back results here.
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07-Mar-2013, 08:40 AM #5
Ok. I typed "inconfig/all" into the command prompt and it says "'inconfig' is not recognized as an internal or external command, operable program or batch file." ??????
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07-Mar-2013, 02:12 PM #6
My fault. That should have been ipconfig /all
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07-Mar-2013, 02:31 PM #7
That one worked Here's the info:

Windows IP Configuration
Host name...................None31fc22a60
Primary Dns Suffix........
Node Type....................unknown
IP Routing Enabled........no
WINS Proxy Enabled.....no

Ethernet adapter Local Area Connection:
Connection-specific-dns suffix.....
Description.................................Intel<R> PRO/100 VE Netwrork Connection
Physical Address.........................00-13-20-7B-D3-79
Dhcp Enabled..............................No
IP Address..................................74.125.229.116
Subnet Mask..............................255.0.0.0
IP Address..................................169.254.132.34
Subnet Mask..............................255.0.0.0
Default Gateway......…………………
DNS Servers................................74.125.229.116
8.8.8.8
8.8.4.4
169.254.132.34
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Couriant   (James) Couriant is offline Couriant is a Trusted Advisor with special permissions.
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07-Mar-2013, 07:15 PM #8
Unless Comcast gave you a static IP address your configuration is wrong. Also you have too many DNS server listed... and one of those is an invalid DNS server! you may have a virus.

Go to Control Panel

If it shows Pick a Task, choose Network and Internet Connections.

Then choose Network Connections

Right click on the Local Area Connection and choose Properties.

Highlight Internet Protocol (TCP/IP) and click Properties.

Make sure both Obtain an IP Address... and Obtain DNS Server... are selected and press OK.

Then close out the boxes and do the ipconfig/all again.
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07-Mar-2013, 09:00 PM #9
Ok, here's what came up:

Windows IP Configuration
Host name.....none
primary Dns Suffix.....
Node Type.....Unknown
IP Routing Enabled.....No
WINS Proxy Enabled.....No

Ethernet adapter Local Area Connection
Connection-specific DVS Suffix.....
Description.....Intel<R> PRO/100 VE Network Connection
Physical Address.....00-13-20-7B-D3-79
Dhcp Enabled.....Yes
Autoconfiguration Enablled.....Yes
IP Address.....0.0.0.0
Subnet Mask.....0.0.0.0
Default Gateway.....
DHCP Server.....255.255.255.255
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07-Mar-2013, 09:21 PM #10
Quote:
Originally Posted by Couriant View Post
Yes, what is the model of that Cisco?
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07-Mar-2013, 09:23 PM #11
Cisco model #DPC3008
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11-Mar-2013, 01:20 PM #12
Quote:
Originally Posted by knclark04 View Post
Cisco model #DPC3008
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Couriant   (James) Couriant is offline Couriant is a Trusted Advisor with special permissions.
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11-Mar-2013, 08:09 PM #13
Well it will be a firewall issue on your computer or the modem. can you swap the modem out at your local internet provider's office?
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