RE: 15 seconds delay before DNS lookup

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

I use XP SP2 with automatic updates, microsoft antispyware, sygate firewall,
symantec antivirus.




"hopeless" wrote:

> Hello,
> I use a laptop from my company in LAN and I log into a company Windows Domain.
>
> At home I log into the notebook with the same credentials that I use at
> work, but whether I use a modem or an ADSL line to connect to the internet
> (not to the company), each time my Internet Explorer, or Firefox, or Opera
> browser tries to open a page, I must wait 15 seconds before the request is
> actually sent to the out in the wild.
>
> Using the Opera browser, the status bar status during this 15 seconds delay
> states "looking up hostname..." so it seems that my laptop "needs" 15 seconds
> to understand it is not in my company anymore, and that it can send to the
> internet the DNS request. The 16th second, the DNS reqeust is sent and
> navigation
>
> Here is what I analyzed:
> - DNS requests don't have delay from the command line (so why the Internet
> browsers have delays?)
> - no matter the hostnames of the sites I visited are put into the hosts file
> or not, the internet browsers continue to look for their name somewhere and
> wait 15 seconds before doing the right DNS request to the internet (how can
> an application ignore system settings?!)
> - I created an administrator LOCAL account (out of the company domani), but
> the DNS delay is there
> - I have manually put the primary and secondary DNS adddresses of my ISP
> into the properties of the network adapter's TCP/IP Protocol stack, but the
> dealy is there (anyway, as the delay is there even with the modem connection
> on a different ISP, it doesn't seem that the delay is caused by the DNS
> service of the ISP)
>
> Here is what I wished:
> - I wish I could configure Windows so that it completely ignored the company
> settings. Somehow, somewhere, there is a setting that tell the OS to look for
> internet names "locally" and it takes 15 seconds to... him, to start behaving
> as a standalone pc, sending all the requests to the internet.
>
>
>
> Thank you,
> hopeless
>
>
>
> P.S:
> company setting
> Windows IP Configuration
>
> Host Name . . . . . . . . . . . . : MYMACHINE
> Primary Dns Suffix . . . . . . . : my.company.com
>
> Node Type . . . . . . . . . . . . : Hybrid
> IP Routing Enabled. . . . . . . . : No
> WINS Proxy Enabled. . . . . . . . : No
> DNS Suffix Search List. . . . . . : my.company.com
> my.company.com
>
>
>
> Ethernet adapter Local Area Connection:
>
> Connection-specific DNS Suffix . : my.company.com
>
> Description . . . . . . . . . . . : Broadcom NetXtreme Gigabit Ether
> Physical Address. . . . . . . . . : 00-12-kl-kl-kl-E6
> Dhcp Enabled. . . . . . . . . . . : Yes
> Autoconfiguration Enabled . . . . : Yes
> IP Address. . . . . . . . . . . . : 16.xyz.abc.246
> Subnet Mask . . . . . . . . . . . : 255.xyz.abc.0
> Default Gateway . . . . . . . . . : 16.xyz.abc.1
> DHCP Server . . . . . . . . . . . : 16.xyz.abc.250
> DNS Servers . . . . . . . . . . . : 16.xyz.abc.243
> 16.xyz.abc.242
> 16.xyz.abc.242
> Primary WINS Server . . . . . . . : 16.xyz.abc.246
> Secondary WINS Server . . . . . . : 16.xyz.abc.246
> 16.xyz.abc.253
> 16.xyz.abc.253
> Lease Obtained. . . . . . . . . . : 23 Jannuary 2006 9.26.49
> Lease Expires . . . . . . . . . . : 2 February 2006 9.26.49
>
>
>
> HOME SETTINGS
>
> Windows IP Configuration
>
> Host Name . . . . . . . . . . . . : MYMACHINE
> Primary Dns Suffix . . . . . . . : my.company.com
>
> Node Type . . . . . . . . . . . . : Hybrid
> IP Routing Enabled. . . . . . . . : No
> WINS Proxy Enabled. . . . . . . . : No
> DNS Suffix Search List. . . . . . : my.company.com
>
>
>
>
> Ethernet adapter Local Area Connection:
>
> Connection-specific DNS Suffix . :
>
> Description . . . . . . . . . . . : Broadcom NetXtreme Gigabit Ether
> Physical Address. . . . . . . . . : 00-12-kl-kl-kl-E6
> Dhcp Enabled. . . . . . . . . . . : Yes
> Autoconfiguration Enabled . . . . : Yes
> IP Address. . . . . . . . . . . . : 16.xyz.abc.100
> Subnet Mask . . . . . . . . . . . : 255.xyz.abc.0
> Default Gateway . . . . . . . . . : 16.xyz.abc.1
> DHCP Server . . . . . . . . . . . : 16.xyz.abc.1
> DNS Servers . . . . . . . . . . . : 213.xyz.abc.256
> Primary WINS Server . . . . . . . :
> Secondary WINS Server . . . . . . :
>
>
.

Relevant Pages

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    ... On the General tab in the Temporary Internet Files Folder, ... Click on "LAN Settings" and make sure everything is blank, ... Network settings ... IP address automatically", click on the DNS tab, disable DNS here, click ...
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  • 15 seconds delay before DNS lookup
    ... I use a laptop from my company in LAN and I log into a company Windows Domain. ... but whether I use a modem or an ADSL line to connect to the internet ... the status bar status during this 15 seconds delay ... internet the DNS request. ...
    (microsoft.public.windowsxp.network_web)