Speed up your internet connection

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Monday , March 17, 2008 at 0124 hrs When you type an address like www.yahoo.com in your browser address bar, the computer doesn’t know where yahoo.com points to, and it will therefore, ask the DNS server.

The job of a DNS server is to translate this human-readable web address (like www.yahoo.com) into a computer-readable number also known as an IP address (209.131.36.158). Once your computer knows the IP location of a web domain name, it opens the website in your browser.

DNS is an integral part of our internet life working behind the scenes every time we connect to a website. In most situations, our internet service provider specifies the DNS server address that we key into your browser settings or the router. Unfortunately, this can prove to be the weakest link in the entire workflow. For example, if the DNS server of your ISP is slow, the time it takes to resolve the web address adds up to the overall loading time of the website.

To solve this problem, we look at a simple but extremely reliable service called OpenDNS that speeds up your internet connection and also takes care of some other very important issues (keep reading). There is no software to install, it’s so non-geeky that mom can implement the steps and the price is just right—$0.

To use OpenDNS, all you have to do is open your network connections or router’s settings page and update the default DNS server to point to the OpenDNS nameservers that are 208.67.222.222 and 208.67.220.220.

The whole process takes a few seconds, but with this single step alone, you just made your computer safer and increased the overall browsing speed.

Here’s why:

Unlike the DNS servers of your less reliable ISP, OpenDNS servers store the IP addresses of millions of websites in their cache so it would take less time to resolve your requests. So if you have asked for an IP address of a website that has been previously requested by another OpenDNS user, you will get the reply instantly.

Another huge advantage of using OpenDNS is that it blocks phishing websites from loading on your computer. It uses data from Phishtank, a community site that is also used by Yahoo! Mail to determine if some particular website is part of any online phishing scam.

OpenDNS also takes care of any typos that you commit while typing the name of popular websites. For instance, if you type www.gogle.com omitting the additional ‘o’ by mistake, OpenDNS will open the main www.google.com site automatically.

If you are a parent worried about kids visiting adult websites on the home computer, you can configure OpenDNS to blog any adult/pornography website from loading on the computer.

In fact, quite a few business places use OpenDNS to block social sites like MySpace and Facebook on employee computers.

Power users can assign abbreviations or OpenDNS Shortcuts to access their favourite websites more quickly.

For instance, you can set ‘mail’ as a shortcut for http://mail.google.com/ or something like ‘a’ for www.reallylongname.com—just type the shortcut to access the site. A good alternative for browser-based bookmarks and it works across all computers where you have logged in to your OpenDNS account.

Now that you are prepared to switch to OpenDNS, please don’t expect huge gains in browsing speed since OpenDNS only improves the cycle between your computer and the DNS server. And do keep handy the DNS settings given by your ISP since in the extreme scenario when OpenDNS system goes down or is inaccessible, you would need the previous configuration.