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<blockquote data-quote="Marko :)" data-source="post: 1119082" data-attributes="member: 39702">Some ad companies still use separate domains for serving ad content and those ads can still be blocked completely with DNS. But the list of ad companies using separate domains is shrinking with each day. It really depends what ad company a website uses.Ever wondered why DNS ad blockers can&#039;t block ads on YouTube? Because YouTube serves all videos and ads from domain [ICODE]googlevideo.com[/ICODE]. DNS only sees this domain, and as a result, it can&#039;t recognize what is a video and what is an ad. If it blocked [ICODE]googlevideo.com[/ICODE], it would break YouTube completely and none of the video would play so all ad blocking DNS services just let [ICODE]googlevideo.com[/ICODE] pass. Facebook, Instagram do the same if I recall correctly.There isn&#039;t a universal response to this. Some DNS services will keep block ads no matter how many websites are broken. Other will stop blocking ads for broken sites. AdGuard DNS is one of those that would rather allow ads than to break a website. ControlD has the opposite policy, and is very aggressive when it comes to ad blocking. I tried ControlD and literally it took me 10 minutes before I found broken websites I visit daily.If you ask me, I&#039;m using AdGuard DNS on all of my devices and uBlock Origin in Firefox. On my Android phone, instead of uBlock Origin, I use AdGuard app and Brave Browser.</blockquote>

[QUOTE="Marko :), post: 1119082, member: 39702"] Some ad companies still use separate domains for serving ad content and those ads can still be blocked completely with DNS. But the list of ad companies using separate domains is shrinking with each day. It really depends what ad company a website uses. Ever wondered why DNS ad blockers can't block ads on YouTube? Because YouTube serves all videos and ads from domain [ICODE]googlevideo.com[/ICODE]. DNS only sees this domain, and as a result, it can't recognize what is a video and what is an ad. If it blocked [ICODE]googlevideo.com[/ICODE], it would break YouTube completely and none of the video would play so all ad blocking DNS services just let [ICODE]googlevideo.com[/ICODE] pass. Facebook, Instagram do the same if I recall correctly. There isn't a universal response to this. Some DNS services will keep block ads no matter how many websites are broken. Other will stop blocking ads for broken sites. AdGuard DNS is one of those that would rather allow ads than to break a website. ControlD has the opposite policy, and is very aggressive when it comes to ad blocking. I tried ControlD and literally it took me 10 minutes before I found broken websites I visit daily. If you ask me, I'm using AdGuard DNS on all of my devices and uBlock Origin in Firefox. On my Android phone, instead of uBlock Origin, I use AdGuard app and Brave Browser. [/QUOTE]

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