ISP Redirect Page - How This Works

How This Works

Domain Name System (DNS) Resolution is the process of translating a domain name (for example: www.wikipedia.org) into an IP address that computers can use. Every ISP runs a DNS server (usually many DNS servers) to help their customers translate domain names into IP addresses that computers understand and use. When an ISP's DNS server receives a request to translate a name, the DNS server returns the IP address back to the customer's computer and the customer's computer is then able to connect to the requested resource.

When the ISP's DNS server receives a request for a name that is not recognized or is unavailable, the DNS server returns the IP address of a search page to the client. When the client is using a web browser, this will display a search page that contains possible suggestions on the proper address and a small explanation of the error. These search pages often contain advertising that is paid to the ISP.

Sometimes, a customer can opt out of this service. Opt-out procedures vary from ISP to ISP in both their method of implementation and effectiveness. It's been said in various forums that anyone who permanently wishes to opt-out of such services, should use a different DNS server.

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