With Brave Browser defaults, 84% of all hosts are blocked. 84% of hosts blocked, and a list of blocked and allowed hosts afterwards. The test runs for a couple of seconds before the results are displayed. Just visit the Ad Block Tester website to get started. It is not designed to be a benchmark, but it reveals the level of blocking against a set of hosts that are very popular. This connection will also be considered by the check service as a leak.Ad Block Tester is a free service on the Internet to evaluate content blocking solutions. In this case, it will connect to the fallback server, which is by default a system DNS server. It could happen that AdGuard cannot reach the specified server because of a weak internet connection, an expiration of timeout set by default or some server related issues. enter the custom bootstrap address in IP address format (you may use the list of known DNS providers).scroll down to the List of custom bootstrap addresses section.This connection is what check services perceive as a leak. In this case, to first resolve the encrypted DNS server address, AdGuard sends a DNS query to the bootstrap address, which is by default a system DNS server. However, encrypted DNS server addresses, like DoT or DoH, are most often written as domain names. In the case of IP addresses there are no difficulties: AdGuard forwards the DNS request directly to the server specified in the DNS protection module. The DNS server addresses could be written as IPs or as domain names. In this article we will tell you why this happens and how to avoid it. But some of them encounter the following issue: a check on a website like shows that requests are handled by default DNS server instead of the selected one. Many AdGuard for Windows users appreciate the DNS protection feature.

Moreover, by choosing an encrypted and/or filtering DNS server, you get another layer of protection against bad actors and annoying ads. Using a non-default DNS server can safeguard your DNS traffic from the ISP’s interception. AdGuard for Windows allows users to specify a DNS server address to resolve queries instead of system DNS server, which is provided by your ISP if not overridden in the system settings.

Adguard dns check