Which are the DNS servers? DNS servers are computers that act as intermediaries between your PC and the web page you need to enter, are huge databases that store the equivalences between domain names and IP addresses. It is essential to come to your aid when you introduce or apply on your browser a web address that is not in the cache, or the browser or Windows and which your system needs the IP address to be able to connect you, the only solution in this case is going and make the request to a DNS server, which searches in its database and returns the result of the request where you have itIf not it will prompt to another server and so on not all DNS servers have the same resources as, capacity, speed of access, resources, hardware, etc. that determine its performance and speed of response. Sometimes when requesting a web page, your browser is left dizzy waiting for connection, and after certain time of waiting is already established, appears to us the message that the web page you requested is not available. This is due to that the DNS to be based on the UDP protocol, both queries and replies may be lost (for example, because of congestion on a network link). As you can deduce not all messages that your browser shows you are certain, simply are due to errors in the connections and inefficient DNS servers. What is the solution if this situation occurs frequently? Replace the DNS server that you have assigned to one more efficient that you choose.
Established which currently have configured your internet access provider, but can be changed at any time. Accessing the following website you will have tools to identify web servers currently assigned and replace them, through a simple step by step method you will learn and you can configure the DNS servers that you choose in your system. You will also advise and suggest on DNS servers to choose. How to configure and change after DNS servers make the necessary adjustments can test and measure the speed of your internet connection in the next page: measure the speed of an internet connection.