Please follow the below template, it will help us to help you!
Expected Behaviour:
blocked ads on all clients
Actual Behaviour:
ads showing up, and i cannot access pi.hole from clients to get to web interface?
Debug Token:
uq9sowo8t8
Are you on the same network with the Pi-hole device ?
What happens when you try to access it via the IP ?
It works.
But clients wont get their ads blocked
Most likely the queries are going through another DNS then.
If you have IPV6 enabled, then that, takes priority over IPV4.
Run a test on https://www.dnsleaktest.com/ to get an idea on where your DNS requests are going through.
Ohhh thank you. that was the problem.
I have disabled IPv6 on my router.
I have disabled ipv6 on my router, and set dns server on my router to the ip of the PI, and on my clients setting the ip of the router as dNS, but still seing ads.
run (on a client) nslookup -q=AAAA google.com and see if you get an IPV6 result.
If you do, you'll see from where and basically that will show you that IPV6 is still running.
nslookup -q=A google.com will give you the IPV4 info.
You could also leave the IPV6 enabled in the router but specify the IPV6 of the Pi-hole as the DNS server under the IPV6 settings.
greyzone ❯ nslookup -q=AAAA google.com
Server: 192.168.1.91
Address: 192.168.1.91#53
Non-authoritative answer:
google.com has AAAA address 2a00:1450:400f:809::200e
Authoritative answers can be found from:
ok what about
nslookup -q=AAAA flurry.com
and
nslookup -q=A flurry.com
greyzone ❯ nslookup -q=AAAA flurry.com
Server: 192.168.1.91
Address: 192.168.1.91#53
flurry.com has AAAA address ::
and
greyzone ❯ nslookup -q=A flurry.com
Server: 192.168.1.91
Address: 192.168.1.91#53
Name: flurry.com
Address: 0.0.0.0
Both results show that Pi-hole is working as expected.
(dns server is located at 192.168.1.91)
Your client probably has the ads cached.
Try clearing cache and cookies, open an incognito mode ... Pi-hole IS blocking ads.
Thank you - should i set cloudflared up as well, is dns over https just as fast ? since im using cloudflare as dns resolver.
and should i use pi-hole as dhcp server, or is the router good enough?
It is up to you. I am not using those features and I cannot attest to the speed or added privacy matter.
It depends on how you have your network set-up and how you manage your devices.
If you don't have an advanced (network) set-up, when specific network parameters need to be handled, your router can do the DHCP for you.
Just keep in mind that If you do enable Pi-hole DHCP, you need to disable the router one 
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