How to block all websites except a few2/14/2023 ![]() ![]() OpenDNS is a third-party DNS server that offers several features like content filtering and increased speed, plus parental controls. Ordinarily, you’d use the DNS service your ISP offers, but you can change this at any time. ![]() Without an IP address, your computer can’t connect to any website, so a DNS server is required to translate a URL like into an IP address. ![]() You can do this using a DNS service such as OpenDNS, which is free to use, and can filter out or block specific sites. Not all routers give the option to block websites from the back end, which means you need another way of blocking such sites. ![]()
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