OpenDNS Smart Caching Displays Websites Even When They're Down
The new OpenDNS Smartcaching service
OpenDNS has recently announced a new smartcaching service that lets you see the contents of website pages even when the site is temporarily not working. Cool.
What is OpenDNS anyway?
OpenDNS is a simple, free alternative to your own internet service provider's (ISP) default DNS service.
Acronym note: DNS - or domain name system - [explained here] is the system which translates URL addresses into the numerical IP addresses used by the world wide web - a chore normally handled by your ISP.
Anything else?
Other than the smartcaching service, there are several other advantages of switching to OpenDNS, including:
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Security - OpenDNS is now also strongly recommended by Steve Hargreaves - editor of Gizmo's Best Free Adware / Spyware / Scumware Remover - as an effective proactive defense against malware infection. By default, OpenDNS blocks phishing sites and protects against bot nets and nasties such as conficker; it also corrects common url typos in your address bar.
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Speed - OpenDNS may reduce the time it takes for web pages to open, especially during peak hours.
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Child safety - OpenDNS also wins Gizmo's top pick Best Free Parental Filter - for this service, you'll need to register for a free account ("dashboard").
How to switch to OpenDNS?
You don't have to be particularly tech-savvy to switch to OpenDNS. The OpenDNS site provides excellent, simple tutorials. Basically you just need to copy and paste a few numbers (IP addresses) in the right place. It's really as simple as that.
If you're making the changes on your computer, it could be a good idea to create a system restore point (or backup your registry) just in case you get lost.
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From a forum post (by Grimbles):
If anyone wishes to test that they are actually using OpenDns, there is a link to the OpenDNS test page included in this excellent guide here:
http://www.webmonkey.com/tutorial/Set_Up_OpenDNS/
Just to be clear, this is a DNS cache, not a site cache. If the site itself is actually down, you won't be able to see anything that you wouldn't normally be able to see. OpenDNS just caches the DNS records while the site's own DNS is down. So if there's a DNS failure somewhere, this will keep you surfing for a while until that's fixed. If the site web host is offline, this won't help.
Yes - Thank you for clarifying this point.
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