From: Kat Rabun on
On Mon, 29 Mar 2010 04:57:14 -0500, Char Jackson wrote:

>>Everywhere I looked, people strongly advise disabling DNS caching!
>
> That's strange, do any of the links you provided actually recommend
> disabling DNS caching? They don't seem to be recommending that at all.
> In summary, I don't see any reason to disable it at all.

I'm now thoroughly confused. :(

I thought disabling DNS Caching or disabling the DNS Client service are,
essentially, the same thing.

These articles "seemed" to recommend disabling one or the other (which, I
thought, was the same thing).

I do understand your comments (and I don't disagree as I don't have enough
information, e.g., who is John Navas, etc.); yet, I do make daily use of a
very large hosts file (and for good reason).

So, I enabled the DNS Client service (as per recommendations here).

However, I just realized I also use Comodo which has an option to use THEIR
DNS servers.

Do you think this "feature" is partially the cause of what we're seeing?
From: Kat Rabun on
On Mon, 29 Mar 2010 10:33:22 +0000 (UTC), Kat Rabun wrote:

> So, I enabled the DNS Client service (as per recommendations here).
>
> However, I just realized I also use Comodo which has an option to use THEIR
> DNS servers.
>
> Do you think this "feature" is partially the cause of what we're seeing?

This is Comodo's description of the "Comodo Secure DNS Configuration"
feature!

Comodo Secure DNS - Another free service intended to provide you with
a safer, smarter, and faster Internet:
- Websites load faster because your domain name requests are resolved by
our worldwide network of fully redundant DNS servers
- Highly secure infrastructure reduces your exposure to DNS Cache Poisoning
attacks
- Parked, not in use, or commonly misspelled domains are automatically
detected and forwarded

If you use Comodo Secure DNS Servers:
- Your computer's primary/secondary DNS settings will be changed to
156.154.70.22, 156.154.71.22
If you are in a corporate network or using VPN connections, then contact
your administrator before enabling this option to avoid potential
connectivity issues.
From: Ace Fekay [MVP-DS, MCT] on
"Kat Rabun" <katspianostudioXXX(a)Use-Author-Supplied-Address.invalid> wrote in message news:hopvtf$ur7$1(a)tioat.net...
> On Mon, 29 Mar 2010 10:33:22 +0000 (UTC), Kat Rabun wrote:
>
>> So, I enabled the DNS Client service (as per recommendations here).
>>
>> However, I just realized I also use Comodo which has an option to use THEIR
>> DNS servers.
>>
>> Do you think this "feature" is partially the cause of what we're seeing?
>
> This is Comodo's description of the "Comodo Secure DNS Configuration"
> feature!
>
> Comodo Secure DNS - Another free service intended to provide you with
> a safer, smarter, and faster Internet:
> - Websites load faster because your domain name requests are resolved by
> our worldwide network of fully redundant DNS servers
> - Highly secure infrastructure reduces your exposure to DNS Cache Poisoning
> attacks
> - Parked, not in use, or commonly misspelled domains are automatically
> detected and forwarded
>
> If you use Comodo Secure DNS Servers:
> - Your computer's primary/secondary DNS settings will be changed to
> 156.154.70.22, 156.154.71.22
> If you are in a corporate network or using VPN connections, then contact
> your administrator before enabling this option to avoid potential
> connectivity issues.



Kat, read my responses to those links. In addition to Char's responses, which I agree with, you should really leave the service alone. I made some other recommendations.

And good question about your scenario. Is this a home machine, or a machine on a corp network?

Ace
From: Char Jackson on
On Mon, 29 Mar 2010 10:33:22 +0000 (UTC), Kat Rabun
<katspianostudioXXX(a)Use-Author-Supplied-Address.invalid> wrote:

>On Mon, 29 Mar 2010 04:57:14 -0500, Char Jackson wrote:
>
>>>Everywhere I looked, people strongly advise disabling DNS caching!
>>
>> That's strange, do any of the links you provided actually recommend
>> disabling DNS caching? They don't seem to be recommending that at all.
>> In summary, I don't see any reason to disable it at all.
>
>I'm now thoroughly confused. :(
>
>I thought disabling DNS Caching or disabling the DNS Client service are,
>essentially, the same thing.
>
>These articles "seemed" to recommend disabling one or the other (which, I
>thought, was the same thing).

I hope someone will correct me if I'm wrong, but I assumed the DNS
Client service performed local DNS caching as one of its duties, so in
that respect they are related.

>I do understand your comments (and I don't disagree as I don't have enough
>information, e.g., who is John Navas, etc.); yet, I do make daily use of a
>very large hosts file (and for good reason).
>
>So, I enabled the DNS Client service (as per recommendations here).
>
>However, I just realized I also use Comodo which has an option to use THEIR
>DNS servers.
>
>Do you think this "feature" is partially the cause of what we're seeing?

No, I don't think it's related. You can use an application called
Namebench to test multiple DNS servers to see which are fastest for
you. http://code.google.com/p/namebench/

From: Kat Rabun on
On Mon, 29 Mar 2010 09:09:24 -0400, Ace Fekay [MVP-DS, MCT] wrote:

> And good question about your scenario.

It's just a home machine. WinXP Home. Not much of a network at all. I just
realized Comodo has its own DNS servers, which I enabled, to see if that
helps.