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Google DNS vs OpenDNS vs ISP DNS - Page 2

post #11 of 51
Quote:
Originally Posted by Capt View Post

I know but what can you do? Should I use something else besides 8.8.8.8 and 8.8.4.4?

My question is why are you changing this? Is there a problem with your ISP DNS? If not and they handle NXDOMAIN properly... just use them.
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post #12 of 51
I really dislike OpenDNS and my ISP DNS because they inject pages into failed DNS lookups (which really winds me up rotten). I assume Google DNS would do the same since it's an advertising company, but I refuse to use Google DNS simply because I value my privacy.

I'd love to find a decent DNS service which doesn't inject search results into failed look ups and values my privacy; but I fear the chances of that are remote frown.gif
post #13 of 51
Quote:
Originally Posted by Plan9 View Post

I really dislike OpenDNS and my ISP DNS because they inject pages into failed DNS lookups (which really winds me up rotten). I assume Google DNS would do the same since it's an advertising company, but I refuse to use Google DNS simply because I value my privacy.

I'd love to find a decent DNS service which doesn't inject search results into failed look ups and values my privacy; but I fear the chances of that are remote frown.gif

Google handles NXDOMAIN properly - there's none of that crap for failed lookups. But they are probably snooping on your queries.

The closest you might get is rolling your own server locally and using only the root servers with no forwarders.
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post #14 of 51
Quote:
Originally Posted by tompsonn View Post

Google handles NXDOMAIN properly - there's none of that crap for failed lookups. But they are probably snooping on your queries.

The closest you might get is rolling your own server locally and using only the root servers with no forwarders.

I do have a local DNS running anyway, so this sounds tempting
post #15 of 51
I switched from my ISPs DNS to googles 8.8.4.4 and noticed a minor increase in speed, mainly when connecting to a web page for the first time. I would suggest that people use namebench them selves to see which DNS will be fastest for them. Different factors come into play here so don't go thinking that there is an end all be all fastest for every one.
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post #16 of 51
Changing DNS servers for performance reasons is a bit like the Emperors New Clothes. Not only do browsers cache domain name lookups, but so does the OS as well, so you'll only see a performance boost once every blue moon.

What's more, the latency differences between difference domain name servers is so negligible that you'll spend more time benchmarking and configuring your system than the grand total of time you'll save with your new settings.

Don't get me wrong, I'm not against people switching DNS and there are definitely some benefits in doing so - however switching purely for performance is a wasted effort.
post #17 of 51
Thread Starter 
Quote:
Originally Posted by tompsonn View Post

My question is why are you changing this? Is there a problem with your ISP DNS? If not and they handle NXDOMAIN properly... just use them.
Quote:
Originally Posted by Plan9 View Post

Changing DNS servers for performance reasons is a bit like the Emperors New Clothes. Not only do browsers cache domain name lookups, but so does the OS as well, so you'll only see a performance boost once every blue moon.

What's more, the latency differences between difference domain name servers is so negligible that you'll spend more time benchmarking and configuring your system than the grand total of time you'll save with your new settings.

Don't get me wrong, I'm not against people switching DNS and there are definitely some benefits in doing so - however switching purely for performance is a wasted effort.

Just tried OpenDNS and that also dropped my internet speed. Sticking with my ISP DNS for now since I seem to be getting the fastest speed.
post #18 of 51
Quote:
Originally Posted by Capt View Post


Just tried OpenDNS and that also dropped my internet speed. Sticking with my ISP DNS for now since I seem to be getting the fastest speed.

I don't understand why that would happen....

A DNS lookup for a specific URL just needs to occur once. Any DNS lookup should be relatively fast as well.
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post #19 of 51
Quote:
Originally Posted by Capt View Post

I'm sure this question gets asked quite a lot but which one do you guys prefer? .

/etc/resolv.conf

I use all 3. Plus my openbsd router caches past 36hrs. Along with some pf.conf tuning, makes for dependable resolving.

Sent from my rooted HTC Supersonic using Tapatalk 2 Pro
post #20 of 51
Quote:
Originally Posted by DuckieHo View Post

I don't understand why that would happen....

A DNS lookup for a specific URL just needs to occur once. Any DNS lookup should be relatively fast as well.

I've already explained why its possible you can actually get less bandwidth with changing a DNS server but it depends what servers depend on being geographically close to provide better bandwidth.

For example, with my ISP DNS I get Google servers that are closest to me geographically. With some other DNS provider, I get ones that could be halfway across the world and it is much slower.

Whether or not this is actually happening for the OP and its not just some placebo thing well we can't say until he gives us some numbers and servers he is downloading from.
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