What's the purpose of DNS
Posted 02 November 2007 - 09:55 PM
Posted 03 November 2007 - 01:50 AM
Posted 12 November 2007 - 01:51 AM
What are this Preferred DNS and Alternate DNS?
Posted 12 November 2007 - 05:30 PM
So basically you type www.geekstogo.com into Internet Explorer (or any other web browser, it works in exactly the same way). The browser goes to a DNS server either you've specified or it has been given. It converts geekstogo.com into a series of numbers, in this case 126.96.36.199 and goes there.
When you specify DNS servers in the fashion you have, this is the order they're referred to when looking up IP addresses. Basically you go to a web site, the computer asks (in your case) the server at 188.8.131.52 for the proper number. If this server doesn't give a number (for example because its overloaded with requests or offline or generally not working) then the computer will ask the server at 184.108.40.206 for the site's IP. Then it just claims there is no page to find.
You can add as many DNS servers as you like, the computer will just work its way down the list trying to find a requested site's proper address before timing out. A common scenario when connected to a provider is that the provider is so busy with its user-base the DNS servers get overloaded. So you can connect but you can't go anywhere.
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