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Why is my Pi-hole leaking ads on mobile that AG DNS catches?

Hey everyone,

I’m in a bit of a dilemma. I love using Pi-hole for local privacy monitoring, domain logs, and pairing it with Unbound. Having total network control is great.

However, especially on mobile devices (smartphones/tablets), switching to the dedicated AG upstream DNS blocks roughly 80% more ads than my local Pi-hole setup does. On desktop it's decent, but mobile browsing and apps are leaking way too many ads.

Here are the active blocklists currently enabled on my setup:

  • HaGeZi Multi PRO
  • Standard Filter List 1
  • HaGeZi Popups/PWA
  • CNAME Trackers List

(I also have EasyPrivacy disabled for testing).

Even with HaGeZi Pro active, mobile ads are still slipping through:

  • Is AG DNS doing something specific for mobile traffic (like CNAME uncloaking, handling DoH/DoT bypasses, or IPv6 leaks) that Pi-hole misses out of the box?
  • What blocklists, regex rules, or settings are you using to lock down mobile ad leaks without breaking apps?

Would love to hear how you tuned your setup to get AG-level blocking on mobile without giving up local Unbound and logging!

Source: r/pihole · by /u/Beautiful_Ratio_9833

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