I use Comcast as my home ISP for at least eight years. They offer fast bandwidth, but Comcast's DNS services are poor and slow. Last month I was getting tired of waiting for web site request in Firefox browser to resolve. I started to look for alternatives like AT&T DSL, but accidentally noticed OpenDNS free DNS resolution service. It took a few minutes to go through OpenDSN instructions and replace existing Comcast DNS servers with two recursive nameserver addresses and from OpenDNS on my Linksys WRT54GS router. I have been using OpenDNS for almost a week now and I can inform you that there are real speed improvements.

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