I have 2 pi-holes, an RPI4B - 2GB, and an RPI3B+. Both are set up with
cloudflared ipv6. I can resolve domains using both ipv4 & ipv6 address on both RPIs.
dig -6 @2603:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:c928 google.com
dig -6 @2603:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:dc2a google.com
dig @192.168.0.231 google.com
dig @192.168.0.232 google.com
In (both) pi-hole settings > DNS > Upstream DNS Servers I'm using
Custom 1 (IPv4):
Custom 3 (IPv6):
In my router (RT-AC88U flashed with Asus Merlin) I have the following settings
For a couple of years, I've been IPv4 only and ad blocking has been working great. However, I recently realized there were some sites I was unable to access with IPv6 disabled, so I wanted to figure out how to get pi-hole working with IPv6. The whole IPv6 thing is very new to me and I'm learning as I go.
The issue is, some (but not all) ads have started leaking through since enabling IPv6, but I'm not really sure how that's happening. dnsleaktest.com shows only cloudflare on the extended test on a number of devices.
If anyone has any advice or guides on where I've gone wrong, or what might be better, I'd really appreciate it.
All ads blocked over IPv6
Ads are leaking through