AdGuard has its own base of domain names that serve ads, trackers, and fraud, and it is regularly updated.Ībout 75% of AdGuard DNS traffic is encrypted. It can work as a regular DNS resolver in Non-filtering mode, but also it can provide DNS-level content blocking: identify requests to ad, tracking, and/or adult domains (optionally), and respond with an empty response. It supports such reliable encryption protocols as DNS-over-HTTPS, DNS-over-TLS, and DNS-over-QUIC. What is AdGuard DNS? ĪdGuard DNS is one of the most privacy-oriented DNS services on the market. But, on the other hand, DNS blocking alone cannot provide cosmetic filtering. On the one hand, DNS has no blind spots since it observes all devices and not just the browsers. Using DNS for content blocking has some advantages as well as obvious flaws. To get a better protection, use DNS in combination with VPN and ad blocker. In this case, a browser-based ad blocker has proven insufficient. And where the Internet is, there are ads and trackers. Why use DNS for content blocking Ībsolutely everything is connected to the Internet these days, from TV to smart light bulbs, from mobile devices to smart auto. How do they work? When your device sends a "bad" request, be it an ad or a tracker, a DNS server prevents the connection by responding with a non-routable IP address for a blocked domain. There are also DNS servers that can block certain websites at DNS-level. This means that your ISP can track your online activity and sell logs to third parties. The default DNS server is usually provided by your ISP. And a regular DNS resolver simply returns the IP address of the requested domain. Each time you go to a website, your browser sends a DNS query to a DNS server to figure out the IP address of the website. DNS stands for "Domain Name System", and its purpose is to convert websites' names into IP addresses.
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