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Step 2: Type prompt $t – That changes the DOS prompt to the current time, we will need this to calculate the time it takes to execute any DOS command.

Step 3: Now run the following command where 208.67.222.222 is the standard IP address of OpenDNS server.

nslookup http://www.google.com 208.67.222.222

You can find the time OpenDNS takes to resolved the address by calculating the difference between the two timestamps.

Step 4: Run the same command again but replacing it with the IP Address of your local ISP’s DNS server – in my case, it is 125.22.47.125 (Airtel).

nslookup http://www.google.com 125.22.47.125

As you can see, the DNS server of the local ISP (Airtel) was slightly faster than OpenDNS in resolving the IP address of http://www.google.com – something good to know but the difference is insignificant and there are plenty of good reasons to continue using OpenDNS.

Update: You can execute all these commands in a batch file for more accurate results.

ver | time
nslookup http://www.google.com 208.67.222.222
ver | time
nslookup http://www.google.com 125.22.47.125
ver | time

This is based on a comment from Resolver – “I found that my ISP’s DNS server is much faster than OpenDNS… because at the moment there are only OpenDNS Server for Europe in London. I’ll wait until OpenDNS Server are in Germany.”

Try for yourself. The speed benefits vary by your situation and network, but for most, they are notable, for the reasons indicated in my earlier post.

Reliability is also important. http://system.opendns.com/ documents ours, and when major outages occur (see http://www.dslreports.com/shownews/ATT-Responds-To-Outage-89943), the advantages skyrocket.

Content filtering (phishing, optional otherwise) are built on top of the foundations of speed and reliability — but up to you why you choose OpenDNS. I just hope you do.

Yes, OpenDNS is a business. So are eBay, Google, and thousands of other useful services… not sure of your point. By providing a useful service, OpenDNS gets people to use our service, which helps our business. If we’re not useful, no business.

I’ll end by simply saying: try for yourself. It’s simple and free.

208.67.222.222
208.67.220.220

Write down your previous settings, so you can switch back anytime.

I don’t think you’ll want to.

John Roberts
OpenDNS

Try for yourself. The speed benefits vary by your situation and network, but for most, they are notable, for the reasons indicated in my earlier post.

Reliability is also important. http://system.opendns.com/ documents ours, and when major outages occur (see http://www.dslreports.com/shownews/ATT-Responds-To-Outage-89943), the advantages skyrocket.

Content filtering (phishing, optional otherwise) are built on top of the foundations of speed and reliability — but up to you why you choose OpenDNS. I just hope you do.

Yes, OpenDNS is a business. So are eBay, Google, and thousands of other useful services… not sure of your point. By providing a useful service, OpenDNS gets people to use our service, which helps our business. If we’re not useful, no business.

I’ll end by simply saying: try for yourself. It’s simple and free.

208.67.222.222
208.67.220.220

Write down your previous settings, so you can switch back anytime.

I don’t think you’ll want to.

John Roberts
OpenDNS

The speed benefits of OpenDNS are laughable to anyone with any knowledge of how DNS operates. Seriously, these guys must walk around their offices giggling to each other that folks out in the world perceive some sort of speed benefit. Anyone that does either had horribly overloaded DNS servers to begin with, or are perceiving a gain via cognitive dissonance.

Bottom line – want to block ads and phishing sites? Get any halfway decent internet security package. Need faster DNS because you think your ISP’s DNS servers are bad? Pick one. Any one. Google “fast DNS” and pick from the oodles of servers out there that people brand as “fast”.

OpenDNS is another case of the Internet’s Emperor and his new clothes.

The speed benefits of OpenDNS are laughable to anyone with any knowledge of how DNS operates. Seriously, these guys must walk around their offices giggling to each other that folks out in the world perceive some sort of speed benefit. Anyone that does either had horribly overloaded DNS servers to begin with, or are perceiving a gain via cognitive dissonance.

Bottom line – want to block ads and phishing sites? Get any halfway decent internet security package. Need faster DNS because you think your ISP’s DNS servers are bad? Pick one. Any one. Google “fast DNS” and pick from the oodles of servers out there that people brand as “fast”.

OpenDNS is another case of the Internet’s Emperor and his new clothes.

Is there anyway of actually testing which way is faster, rather than just trying to see if pages are loading faster or slower than I can blink?

I seem to remember using a site to see what DNS each of the main UK servers was holding for my domain, when i moved servers recently and was waiting for my DNS to propogate.

Is there anyway of actually testing which way is faster, rather than just trying to see if pages are loading faster or slower than I can blink?

I seem to remember using a site to see what DNS each of the main UK servers was holding for my domain, when i moved servers recently and was waiting for my DNS to propogate.

http://blog.opendns.com/2006/08/28/london-servers-coming-soon-still/
has a picture of the physical servers, but that’s hardly the point.

Cache is what we are talking about
http://www.opendns.com/what/#faster

John Roberts
OpenDNS

http://blog.opendns.com/2006/08/28/london-servers-coming-soon-still/
has a picture of the physical servers, but that’s hardly the point.

Cache is what we are talking about
http://www.opendns.com/what/#faster

John Roberts
OpenDNS

I decided to read more about open dns after I read Evertons article “Does open dns really speed up web pages” on his great website connected internet. He was trying to find out why a dns service that was using servers in the United States w…

Yes, we’re across an ocean from you in the UK right now, but we’re able to take advantage of our software speed and cache size (and good connections in central data centers) to make up for network latency to a degree. We have many folks in the UK and throughout Europe using us now.

Read this
http://blog.opendns.com/2006/11/02/five-questions-with-an-opendns-user-richard-hughes/

We are going to get London going eventually, which will eliminate the network latency concern, too!

John Roberts
OpenDNS

Yes, we’re across an ocean from you in the UK right now, but we’re able to take advantage of our software speed and cache size (and good connections in central data centers) to make up for network latency to a degree. We have many folks in the UK and throughout Europe using us now.

Read this
http://blog.opendns.com/2006/11/02/five-questions-with-an-opendns-user-richard-hughes/

We are going to get London going eventually, which will eliminate the network latency concern, too!

John Roberts
OpenDNS