diff --git a/docs/common-reasons-for-ads-not-showing.mdx b/docs/common-reasons-for-ads-not-showing.mdx
index 3dc73221..36b05b78 100644
--- a/docs/common-reasons-for-ads-not-showing.mdx
+++ b/docs/common-reasons-for-ads-not-showing.mdx
@@ -88,6 +88,10 @@ If you want to test ads in your app as you're developing, follow the steps below
 
 In some cases ads won't show up on an emulator but will show up while testing on a real device.
 
+## Are you using a private DNS provider?
+
+Some private DNS providers can block ads from displaying. If your device or emulator is using a private DNS, switch it to Automatic in the settings to ensure it is not blocking ads.
+
 ## Extra links
 
 - Mobile Ads SDK [iOS](https://developers.google.com/admob/ios/quick-start), [Android](https://developers.google.com/admob/android/quick-start)